Jan 20 08:00:04 linux4ai-server sshd[25650]: Failed password for root from 192.168.1.200 port 52303 ssh2 Jan 20 08:00:04 linux4ai-server sshd[25650]: Connection closed by authenticating user root 192.168.1.200 port 52303 [preauth] Jan 20 08:00:05 linux4ai-server sshd[59047]: Invalid user admin from 192.168.1.200 port 54336 Jan 20 08:00:05 linux4ai-server sshd[59047]: Failed password for invalid user admin from 192.168.1.200 port 54336 ssh2 Jan 20 08:00:05 linux4ai-server sshd[59047]: Connection closed by invalid user admin 192.168.1.200 port 54336 [preauth] Jan 20 08:00:15 linux4ai-server sshd[29205]: Failed password for root from 192.168.1.200 port 47567 ssh2 Jan 20 08:00:15 linux4ai-server sshd[29205]: Received disconnect from 192.168.1.200 port 47567:11: Bye Bye [preauth] Jan 20 08:00:19 linux4ai-server sshd[53188]: Invalid user mcserver from 45.33.22.11 port 60633 Jan 20 08:00:19 linux4ai-server sshd[53188]: Failed password for invalid user mcserver from 45.33.22.11 port 60633 ssh2 Jan 20 08:00:19 linux4ai-server sshd[53188]: Connection closed by invalid user mcserver 45.33.22.11 port 60633 [preauth] Jan 20 08:00:26 linux4ai-server sshd[41335]: Invalid user oracle from 185.199.110.153 port 59543 Jan 20 08:00:26 linux4ai-server sshd[41335]: Failed password for invalid user oracle from 185.199.110.153 port 59543 ssh2 Jan 20 08:00:26 linux4ai-server sshd[41335]: Connection closed by invalid user oracle 185.199.110.153 port 59543 [preauth] Jan 20 08:00:29 linux4ai-server sshd[8736]: Accepted publickey for student from 10.0.0.19 port 44252 ssh2 Jan 20 08:00:29 linux4ai-server systemd-logind[728]: New session 3330 of user student. Jan 20 08:00:29 linux4ai-server sshd[8736]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:00:29 linux4ai-server sshd[8736]: Disconnected from user student 10.0.0.19 port 44252 Jan 20 08:00:29 linux4ai-server sshd[8736]: pam_unix(sshd:session): session closed for user student Jan 20 08:00:29 linux4ai-server systemd-logind[728]: Session 3330 logged out. Waiting for processes to exit. Jan 20 08:00:38 linux4ai-server sshd[51767]: Invalid user support from 45.33.22.11 port 53930 Jan 20 08:00:38 linux4ai-server sshd[51767]: Failed password for invalid user support from 45.33.22.11 port 53930 ssh2 Jan 20 08:00:38 linux4ai-server sshd[51767]: Connection closed by invalid user support 45.33.22.11 port 53930 [preauth] Jan 20 08:00:43 linux4ai-server sshd[46333]: Accepted publickey for teacher from 192.168.1.103 port 41374 ssh2 Jan 20 08:00:43 linux4ai-server systemd-logind[852]: New session 5656 of user teacher. Jan 20 08:00:43 linux4ai-server sshd[46333]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:00:43 linux4ai-server sshd[46333]: Disconnected from user teacher 192.168.1.103 port 41374 Jan 20 08:00:43 linux4ai-server sshd[46333]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:00:43 linux4ai-server systemd-logind[852]: Session 5656 logged out. Waiting for processes to exit. Jan 20 08:00:52 linux4ai-server sshd[23163]: Invalid user ubnt from 45.33.22.11 port 42648 Jan 20 08:00:52 linux4ai-server sshd[23163]: Failed password for invalid user ubnt from 45.33.22.11 port 42648 ssh2 Jan 20 08:00:52 linux4ai-server sshd[23163]: Connection closed by invalid user ubnt 45.33.22.11 port 42648 [preauth] Jan 20 08:00:55 linux4ai-server sshd[26892]: Failed password for root from 185.199.110.153 port 35134 ssh2 Jan 20 08:00:55 linux4ai-server sshd[26892]: Connection closed by authenticating user root 185.199.110.153 port 35134 [preauth] Jan 20 08:01:02 linux4ai-server sshd[16497]: Connection closed by 45.33.22.11 port 61791 [preauth] Jan 20 08:01:04 linux4ai-server sshd[30725]: Invalid user mcserver from 192.168.1.200 port 48135 Jan 20 08:01:04 linux4ai-server sshd[30725]: Failed password for invalid user mcserver from 192.168.1.200 port 48135 ssh2 Jan 20 08:01:04 linux4ai-server sshd[30725]: Connection closed by invalid user mcserver 192.168.1.200 port 48135 [preauth] Jan 20 08:01:10 linux4ai-server sshd[50152]: Failed password for root from 203.0.113.5 port 60053 ssh2 Jan 20 08:01:10 linux4ai-server sshd[50152]: Received disconnect from 203.0.113.5 port 60053:11: Bye Bye [preauth] Jan 20 08:01:11 linux4ai-server sshd[6751]: Failed password for root from 45.33.22.11 port 46626 ssh2 Jan 20 08:01:11 linux4ai-server sshd[6751]: Received disconnect from 45.33.22.11 port 46626:11: Bye Bye [preauth] Jan 20 08:01:20 linux4ai-server sshd[56668]: Failed password for root from 192.168.1.200 port 46495 ssh2 Jan 20 08:01:20 linux4ai-server sshd[56668]: Connection closed by authenticating user root 192.168.1.200 port 46495 [preauth] Jan 20 08:01:26 linux4ai-server sshd[35482]: Accepted publickey for huangwei from 192.168.1.108 port 58269 ssh2 Jan 20 08:01:26 linux4ai-server systemd-logind[814]: New session 3297 of user huangwei. Jan 20 08:01:26 linux4ai-server sshd[35482]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:01:26 linux4ai-server sshd[35482]: Disconnected from user huangwei 192.168.1.108 port 58269 Jan 20 08:01:26 linux4ai-server sshd[35482]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:01:26 linux4ai-server systemd-logind[814]: Session 3297 logged out. Waiting for processes to exit. Jan 20 08:01:27 linux4ai-server sshd[27812]: Invalid user guest from 192.168.1.200 port 53842 Jan 20 08:01:27 linux4ai-server sshd[27812]: Failed password for invalid user guest from 192.168.1.200 port 53842 ssh2 Jan 20 08:01:27 linux4ai-server sshd[27812]: Connection closed by invalid user guest 192.168.1.200 port 53842 [preauth] Jan 20 08:01:35 linux4ai-server sshd[58234]: Connection closed by 220.181.38.148 port 62524 [preauth] Jan 20 08:01:44 linux4ai-server sshd[36942]: Invalid user postgres from 220.181.38.148 port 34330 Jan 20 08:01:44 linux4ai-server sshd[36942]: Failed password for invalid user postgres from 220.181.38.148 port 34330 ssh2 Jan 20 08:01:44 linux4ai-server sshd[36942]: Connection closed by invalid user postgres 220.181.38.148 port 34330 [preauth] Jan 20 08:01:51 linux4ai-server sshd[11024]: Accepted publickey for dev from 192.168.1.119 port 50602 ssh2 Jan 20 08:01:51 linux4ai-server systemd-logind[814]: New session 4687 of user dev. Jan 20 08:01:51 linux4ai-server sshd[11024]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:01:51 linux4ai-server sshd[11024]: Disconnected from user dev 192.168.1.119 port 50602 Jan 20 08:01:51 linux4ai-server sshd[11024]: pam_unix(sshd:session): session closed for user dev Jan 20 08:01:51 linux4ai-server systemd-logind[814]: Session 4687 logged out. Waiting for processes to exit. Jan 20 08:01:59 linux4ai-server sshd[32441]: Invalid user support from 192.168.1.200 port 54492 Jan 20 08:01:59 linux4ai-server sshd[32441]: Failed password for invalid user support from 192.168.1.200 port 54492 ssh2 Jan 20 08:01:59 linux4ai-server sshd[32441]: Connection closed by invalid user support 192.168.1.200 port 54492 [preauth] Jan 20 08:02:05 linux4ai-server sshd[1649]: Accepted publickey for dev from 192.168.1.107 port 58135 ssh2 Jan 20 08:02:05 linux4ai-server systemd-logind[715]: New session 5836 of user dev. Jan 20 08:02:05 linux4ai-server sshd[1649]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:02:05 linux4ai-server sshd[1649]: Disconnected from user dev 192.168.1.107 port 58135 Jan 20 08:02:05 linux4ai-server sshd[1649]: pam_unix(sshd:session): session closed for user dev Jan 20 08:02:05 linux4ai-server systemd-logind[715]: Session 5836 logged out. Waiting for processes to exit. Jan 20 08:02:14 linux4ai-server sshd[28127]: Accepted publickey for teacher from 192.168.1.119 port 36171 ssh2 Jan 20 08:02:14 linux4ai-server systemd-logind[813]: New session 5220 of user teacher. Jan 20 08:02:14 linux4ai-server sshd[28127]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:02:14 linux4ai-server sshd[28127]: Disconnected from user teacher 192.168.1.119 port 36171 Jan 20 08:02:14 linux4ai-server sshd[28127]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:02:14 linux4ai-server systemd-logind[813]: Session 5220 logged out. Waiting for processes to exit. Jan 20 08:02:20 linux4ai-server sshd[41904]: Invalid user guest from 45.33.22.11 port 62215 Jan 20 08:02:20 linux4ai-server sshd[41904]: Failed password for invalid user guest from 45.33.22.11 port 62215 ssh2 Jan 20 08:02:20 linux4ai-server sshd[41904]: Connection closed by invalid user guest 45.33.22.11 port 62215 [preauth] Jan 20 08:02:30 linux4ai-server sshd[36845]: Accepted publickey for student from 10.0.0.8 port 30966 ssh2 Jan 20 08:02:30 linux4ai-server systemd-logind[887]: New session 1415 of user student. Jan 20 08:02:30 linux4ai-server sshd[36845]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:02:30 linux4ai-server sshd[36845]: Disconnected from user student 10.0.0.8 port 30966 Jan 20 08:02:30 linux4ai-server sshd[36845]: pam_unix(sshd:session): session closed for user student Jan 20 08:02:30 linux4ai-server systemd-logind[887]: Session 1415 logged out. Waiting for processes to exit. Jan 20 08:02:33 linux4ai-server sshd[27397]: Invalid user guest from 45.33.22.11 port 64434 Jan 20 08:02:33 linux4ai-server sshd[27397]: Failed password for invalid user guest from 45.33.22.11 port 64434 ssh2 Jan 20 08:02:33 linux4ai-server sshd[27397]: Connection closed by invalid user guest 45.33.22.11 port 64434 [preauth] Jan 20 08:02:43 linux4ai-server sshd[33025]: Invalid user admin from 192.168.1.200 port 50916 Jan 20 08:02:43 linux4ai-server sshd[33025]: Failed password for invalid user admin from 192.168.1.200 port 50916 ssh2 Jan 20 08:02:43 linux4ai-server sshd[33025]: Connection closed by invalid user admin 192.168.1.200 port 50916 [preauth] Jan 20 08:02:51 linux4ai-server sshd[12978]: Invalid user guest from 185.199.110.153 port 34731 Jan 20 08:02:51 linux4ai-server sshd[12978]: Failed password for invalid user guest from 185.199.110.153 port 34731 ssh2 Jan 20 08:02:51 linux4ai-server sshd[12978]: Connection closed by invalid user guest 185.199.110.153 port 34731 [preauth] Jan 20 08:02:56 linux4ai-server sshd[55727]: Invalid user postgres from 45.33.22.11 port 31672 Jan 20 08:02:56 linux4ai-server sshd[55727]: Failed password for invalid user postgres from 45.33.22.11 port 31672 ssh2 Jan 20 08:02:56 linux4ai-server sshd[55727]: Connection closed by invalid user postgres 45.33.22.11 port 31672 [preauth] Jan 20 08:03:02 linux4ai-server sshd[55944]: Invalid user oracle from 192.168.1.200 port 54483 Jan 20 08:03:02 linux4ai-server sshd[55944]: Failed password for invalid user oracle from 192.168.1.200 port 54483 ssh2 Jan 20 08:03:02 linux4ai-server sshd[55944]: Connection closed by invalid user oracle 192.168.1.200 port 54483 [preauth] Jan 20 08:03:04 linux4ai-server sshd[37868]: Accepted publickey for student from 192.168.1.113 port 37463 ssh2 Jan 20 08:03:04 linux4ai-server systemd-logind[534]: New session 2022 of user student. Jan 20 08:03:04 linux4ai-server sshd[37868]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:03:04 linux4ai-server sshd[37868]: Disconnected from user student 192.168.1.113 port 37463 Jan 20 08:03:04 linux4ai-server sshd[37868]: pam_unix(sshd:session): session closed for user student Jan 20 08:03:04 linux4ai-server systemd-logind[534]: Session 2022 logged out. Waiting for processes to exit. Jan 20 08:03:13 linux4ai-server sshd[48208]: Invalid user admin from 185.199.110.153 port 56300 Jan 20 08:03:13 linux4ai-server sshd[48208]: Failed password for invalid user admin from 185.199.110.153 port 56300 ssh2 Jan 20 08:03:13 linux4ai-server sshd[48208]: Connection closed by invalid user admin 185.199.110.153 port 56300 [preauth] Jan 20 08:03:15 linux4ai-server sshd[17524]: Failed password for root from 192.168.1.200 port 39282 ssh2 Jan 20 08:03:15 linux4ai-server sshd[17524]: Received disconnect from 192.168.1.200 port 39282:11: Bye Bye [preauth] Jan 20 08:03:18 linux4ai-server sshd[8563]: Failed password for root from 45.33.22.11 port 45702 ssh2 Jan 20 08:03:18 linux4ai-server sshd[8563]: Connection closed by authenticating user root 45.33.22.11 port 45702 [preauth] Jan 20 08:03:25 linux4ai-server sshd[55699]: Connection closed by 192.168.1.200 port 49196 [preauth] Jan 20 08:03:32 linux4ai-server sshd[25171]: Failed password for root from 45.33.22.11 port 33824 ssh2 Jan 20 08:03:32 linux4ai-server sshd[25171]: Connection closed by authenticating user root 45.33.22.11 port 33824 [preauth] Jan 20 08:03:41 linux4ai-server sshd[23167]: Invalid user oracle from 203.0.113.5 port 31525 Jan 20 08:03:41 linux4ai-server sshd[23167]: Failed password for invalid user oracle from 203.0.113.5 port 31525 ssh2 Jan 20 08:03:41 linux4ai-server sshd[23167]: Connection closed by invalid user oracle 203.0.113.5 port 31525 [preauth] Jan 20 08:03:44 linux4ai-server sshd[6662]: Failed password for root from 45.33.22.11 port 39189 ssh2 Jan 20 08:03:44 linux4ai-server sshd[6662]: Connection closed by authenticating user root 45.33.22.11 port 39189 [preauth] Jan 20 08:03:49 linux4ai-server sshd[9883]: Invalid user ubnt from 185.199.110.153 port 59153 Jan 20 08:03:49 linux4ai-server sshd[9883]: Failed password for invalid user ubnt from 185.199.110.153 port 59153 ssh2 Jan 20 08:03:49 linux4ai-server sshd[9883]: Connection closed by invalid user ubnt 185.199.110.153 port 59153 [preauth] Jan 20 08:03:55 linux4ai-server sshd[20652]: Invalid user ubnt from 192.168.1.200 port 44073 Jan 20 08:03:55 linux4ai-server sshd[20652]: Failed password for invalid user ubnt from 192.168.1.200 port 44073 ssh2 Jan 20 08:03:55 linux4ai-server sshd[20652]: Connection closed by invalid user ubnt 192.168.1.200 port 44073 [preauth] Jan 20 08:03:56 linux4ai-server sshd[49034]: Failed password for root from 45.33.22.11 port 32652 ssh2 Jan 20 08:03:56 linux4ai-server sshd[49034]: Connection closed by authenticating user root 45.33.22.11 port 32652 [preauth] Jan 20 08:04:03 linux4ai-server sshd[12232]: Failed password for root from 203.0.113.5 port 63258 ssh2 Jan 20 08:04:03 linux4ai-server sshd[12232]: Received disconnect from 203.0.113.5 port 63258:11: Bye Bye [preauth] Jan 20 08:04:07 linux4ai-server sshd[14008]: Failed password for root from 220.181.38.148 port 50398 ssh2 Jan 20 08:04:07 linux4ai-server sshd[14008]: Received disconnect from 220.181.38.148 port 50398:11: Bye Bye [preauth] Jan 20 08:04:12 linux4ai-server sshd[42548]: Invalid user postgres from 45.33.22.11 port 39776 Jan 20 08:04:12 linux4ai-server sshd[42548]: Failed password for invalid user postgres from 45.33.22.11 port 39776 ssh2 Jan 20 08:04:12 linux4ai-server sshd[42548]: Connection closed by invalid user postgres 45.33.22.11 port 39776 [preauth] Jan 20 08:04:19 linux4ai-server sshd[57448]: Failed password for root from 203.0.113.5 port 35281 ssh2 Jan 20 08:04:19 linux4ai-server sshd[57448]: Connection closed by authenticating user root 203.0.113.5 port 35281 [preauth] Jan 20 08:04:24 linux4ai-server sshd[44535]: Failed password for root from 45.33.22.11 port 47091 ssh2 Jan 20 08:04:24 linux4ai-server sshd[44535]: Received disconnect from 45.33.22.11 port 47091:11: Bye Bye [preauth] Jan 20 08:04:25 linux4ai-server sshd[2726]: Accepted publickey for student from 10.0.0.9 port 56241 ssh2 Jan 20 08:04:25 linux4ai-server systemd-logind[718]: New session 2192 of user student. Jan 20 08:04:25 linux4ai-server sshd[2726]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:04:25 linux4ai-server sshd[2726]: Disconnected from user student 10.0.0.9 port 56241 Jan 20 08:04:25 linux4ai-server sshd[2726]: pam_unix(sshd:session): session closed for user student Jan 20 08:04:25 linux4ai-server systemd-logind[718]: Session 2192 logged out. Waiting for processes to exit. Jan 20 08:04:33 linux4ai-server sshd[58307]: Invalid user test from 220.181.38.148 port 54642 Jan 20 08:04:33 linux4ai-server sshd[58307]: Failed password for invalid user test from 220.181.38.148 port 54642 ssh2 Jan 20 08:04:33 linux4ai-server sshd[58307]: Connection closed by invalid user test 220.181.38.148 port 54642 [preauth] Jan 20 08:04:41 linux4ai-server sshd[21586]: Failed password for root from 192.168.1.200 port 51952 ssh2 Jan 20 08:04:41 linux4ai-server sshd[21586]: Connection closed by authenticating user root 192.168.1.200 port 51952 [preauth] Jan 20 08:04:43 linux4ai-server sshd[38376]: Failed password for root from 45.33.22.11 port 42525 ssh2 Jan 20 08:04:43 linux4ai-server sshd[38376]: Received disconnect from 45.33.22.11 port 42525:11: Bye Bye [preauth] Jan 20 08:04:53 linux4ai-server sshd[17334]: Failed password for root from 45.33.22.11 port 44375 ssh2 Jan 20 08:04:53 linux4ai-server sshd[17334]: Connection closed by authenticating user root 45.33.22.11 port 44375 [preauth] Jan 20 08:05:00 linux4ai-server sshd[44564]: Failed password for root from 45.33.22.11 port 43322 ssh2 Jan 20 08:05:00 linux4ai-server sshd[44564]: Connection closed by authenticating user root 45.33.22.11 port 43322 [preauth] Jan 20 08:05:02 linux4ai-server sshd[52703]: Invalid user oracle from 192.168.1.200 port 58696 Jan 20 08:05:02 linux4ai-server sshd[52703]: Failed password for invalid user oracle from 192.168.1.200 port 58696 ssh2 Jan 20 08:05:02 linux4ai-server sshd[52703]: Connection closed by invalid user oracle 192.168.1.200 port 58696 [preauth] Jan 20 08:05:07 linux4ai-server sshd[49295]: Invalid user oracle from 198.51.100.2 port 64657 Jan 20 08:05:07 linux4ai-server sshd[49295]: Failed password for invalid user oracle from 198.51.100.2 port 64657 ssh2 Jan 20 08:05:07 linux4ai-server sshd[49295]: Connection closed by invalid user oracle 198.51.100.2 port 64657 [preauth] Jan 20 08:05:12 linux4ai-server sshd[41959]: Invalid user root from 185.199.110.153 port 44710 Jan 20 08:05:12 linux4ai-server sshd[41959]: Failed password for invalid user root from 185.199.110.153 port 44710 ssh2 Jan 20 08:05:12 linux4ai-server sshd[41959]: Connection closed by invalid user root 185.199.110.153 port 44710 [preauth] Jan 20 08:05:13 linux4ai-server sshd[5802]: Accepted publickey for teacher from 192.168.1.103 port 50747 ssh2 Jan 20 08:05:13 linux4ai-server systemd-logind[761]: New session 271 of user teacher. Jan 20 08:05:13 linux4ai-server sshd[5802]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:05:13 linux4ai-server sshd[5802]: Disconnected from user teacher 192.168.1.103 port 50747 Jan 20 08:05:13 linux4ai-server sshd[5802]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:05:13 linux4ai-server systemd-logind[761]: Session 271 logged out. Waiting for processes to exit. Jan 20 08:05:23 linux4ai-server sshd[7756]: Invalid user guest from 185.199.110.153 port 33628 Jan 20 08:05:23 linux4ai-server sshd[7756]: Failed password for invalid user guest from 185.199.110.153 port 33628 ssh2 Jan 20 08:05:23 linux4ai-server sshd[7756]: Connection closed by invalid user guest 185.199.110.153 port 33628 [preauth] Jan 20 08:05:33 linux4ai-server sshd[22446]: Invalid user mcserver from 192.168.1.200 port 58214 Jan 20 08:05:33 linux4ai-server sshd[22446]: Failed password for invalid user mcserver from 192.168.1.200 port 58214 ssh2 Jan 20 08:05:33 linux4ai-server sshd[22446]: Connection closed by invalid user mcserver 192.168.1.200 port 58214 [preauth] Jan 20 08:05:34 linux4ai-server sshd[7422]: Accepted publickey for teacher from 10.0.0.19 port 52747 ssh2 Jan 20 08:05:34 linux4ai-server systemd-logind[615]: New session 2602 of user teacher. Jan 20 08:05:34 linux4ai-server sshd[7422]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:05:34 linux4ai-server sshd[7422]: Disconnected from user teacher 10.0.0.19 port 52747 Jan 20 08:05:34 linux4ai-server sshd[7422]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:05:34 linux4ai-server systemd-logind[615]: Session 2602 logged out. Waiting for processes to exit. Jan 20 08:05:37 linux4ai-server sshd[26005]: Invalid user guest from 45.33.22.11 port 57505 Jan 20 08:05:37 linux4ai-server sshd[26005]: Failed password for invalid user guest from 45.33.22.11 port 57505 ssh2 Jan 20 08:05:37 linux4ai-server sshd[26005]: Connection closed by invalid user guest 45.33.22.11 port 57505 [preauth] Jan 20 08:05:40 linux4ai-server sshd[44872]: Failed password for root from 45.33.22.11 port 37095 ssh2 Jan 20 08:05:40 linux4ai-server sshd[44872]: Received disconnect from 45.33.22.11 port 37095:11: Bye Bye [preauth] Jan 20 08:05:46 linux4ai-server sshd[52594]: Invalid user oracle from 198.51.100.2 port 40223 Jan 20 08:05:46 linux4ai-server sshd[52594]: Failed password for invalid user oracle from 198.51.100.2 port 40223 ssh2 Jan 20 08:05:46 linux4ai-server sshd[52594]: Connection closed by invalid user oracle 198.51.100.2 port 40223 [preauth] Jan 20 08:05:55 linux4ai-server sshd[50608]: Connection closed by 203.0.113.5 port 53054 [preauth] Jan 20 08:06:03 linux4ai-server sshd[5707]: Invalid user admin from 45.33.22.11 port 30189 Jan 20 08:06:03 linux4ai-server sshd[5707]: Failed password for invalid user admin from 45.33.22.11 port 30189 ssh2 Jan 20 08:06:03 linux4ai-server sshd[5707]: Connection closed by invalid user admin 45.33.22.11 port 30189 [preauth] Jan 20 08:06:05 linux4ai-server sshd[56679]: Accepted publickey for dev from 10.0.0.8 port 37478 ssh2 Jan 20 08:06:05 linux4ai-server systemd-logind[875]: New session 2926 of user dev. Jan 20 08:06:05 linux4ai-server sshd[56679]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:06:05 linux4ai-server sshd[56679]: Disconnected from user dev 10.0.0.8 port 37478 Jan 20 08:06:05 linux4ai-server sshd[56679]: pam_unix(sshd:session): session closed for user dev Jan 20 08:06:05 linux4ai-server systemd-logind[875]: Session 2926 logged out. Waiting for processes to exit. Jan 20 08:06:08 linux4ai-server sshd[9694]: Invalid user root from 203.0.113.5 port 35615 Jan 20 08:06:08 linux4ai-server sshd[9694]: Failed password for invalid user root from 203.0.113.5 port 35615 ssh2 Jan 20 08:06:08 linux4ai-server sshd[9694]: Connection closed by invalid user root 203.0.113.5 port 35615 [preauth] Jan 20 08:06:10 linux4ai-server sshd[27140]: Accepted publickey for huangwei from 10.0.0.11 port 57878 ssh2 Jan 20 08:06:10 linux4ai-server systemd-logind[717]: New session 5014 of user huangwei. Jan 20 08:06:10 linux4ai-server sshd[27140]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:06:10 linux4ai-server sshd[27140]: Disconnected from user huangwei 10.0.0.11 port 57878 Jan 20 08:06:10 linux4ai-server sshd[27140]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:06:10 linux4ai-server systemd-logind[717]: Session 5014 logged out. Waiting for processes to exit. Jan 20 08:06:12 linux4ai-server sshd[30481]: Failed password for root from 14.1.2.3 port 31269 ssh2 Jan 20 08:06:12 linux4ai-server sshd[30481]: Received disconnect from 14.1.2.3 port 31269:11: Bye Bye [preauth] Jan 20 08:06:19 linux4ai-server sshd[51907]: Failed password for root from 45.33.22.11 port 51254 ssh2 Jan 20 08:06:19 linux4ai-server sshd[51907]: Received disconnect from 45.33.22.11 port 51254:11: Bye Bye [preauth] Jan 20 08:06:29 linux4ai-server sshd[56203]: Invalid user mcserver from 45.33.22.11 port 34143 Jan 20 08:06:29 linux4ai-server sshd[56203]: Failed password for invalid user mcserver from 45.33.22.11 port 34143 ssh2 Jan 20 08:06:29 linux4ai-server sshd[56203]: Connection closed by invalid user mcserver 45.33.22.11 port 34143 [preauth] Jan 20 08:06:39 linux4ai-server sshd[1963]: Invalid user oracle from 185.199.110.153 port 32136 Jan 20 08:06:39 linux4ai-server sshd[1963]: Failed password for invalid user oracle from 185.199.110.153 port 32136 ssh2 Jan 20 08:06:39 linux4ai-server sshd[1963]: Connection closed by invalid user oracle 185.199.110.153 port 32136 [preauth] Jan 20 08:06:40 linux4ai-server sshd[16611]: Connection closed by 192.168.1.200 port 34212 [preauth] Jan 20 08:06:45 linux4ai-server sshd[16719]: Accepted publickey for huangwei from 10.0.0.6 port 59404 ssh2 Jan 20 08:06:45 linux4ai-server systemd-logind[783]: New session 3860 of user huangwei. Jan 20 08:06:45 linux4ai-server sshd[16719]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:06:45 linux4ai-server sshd[16719]: Disconnected from user huangwei 10.0.0.6 port 59404 Jan 20 08:06:45 linux4ai-server sshd[16719]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:06:45 linux4ai-server systemd-logind[783]: Session 3860 logged out. Waiting for processes to exit. Jan 20 08:06:53 linux4ai-server sshd[10991]: Invalid user ubnt from 45.33.22.11 port 48658 Jan 20 08:06:53 linux4ai-server sshd[10991]: Failed password for invalid user ubnt from 45.33.22.11 port 48658 ssh2 Jan 20 08:06:53 linux4ai-server sshd[10991]: Connection closed by invalid user ubnt 45.33.22.11 port 48658 [preauth] Jan 20 08:06:58 linux4ai-server sshd[16917]: Invalid user guest from 14.1.2.3 port 31682 Jan 20 08:06:58 linux4ai-server sshd[16917]: Failed password for invalid user guest from 14.1.2.3 port 31682 ssh2 Jan 20 08:06:58 linux4ai-server sshd[16917]: Connection closed by invalid user guest 14.1.2.3 port 31682 [preauth] Jan 20 08:07:05 linux4ai-server sshd[14058]: Accepted publickey for teacher from 192.168.1.112 port 51571 ssh2 Jan 20 08:07:05 linux4ai-server systemd-logind[776]: New session 246 of user teacher. Jan 20 08:07:05 linux4ai-server sshd[14058]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:07:05 linux4ai-server sshd[14058]: Disconnected from user teacher 192.168.1.112 port 51571 Jan 20 08:07:05 linux4ai-server sshd[14058]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:07:05 linux4ai-server systemd-logind[776]: Session 246 logged out. Waiting for processes to exit. Jan 20 08:07:15 linux4ai-server sshd[10635]: Accepted publickey for teacher from 10.0.0.18 port 47829 ssh2 Jan 20 08:07:15 linux4ai-server systemd-logind[672]: New session 3605 of user teacher. Jan 20 08:07:15 linux4ai-server sshd[10635]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:07:15 linux4ai-server sshd[10635]: Disconnected from user teacher 10.0.0.18 port 47829 Jan 20 08:07:15 linux4ai-server sshd[10635]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:07:15 linux4ai-server systemd-logind[672]: Session 3605 logged out. Waiting for processes to exit. Jan 20 08:07:21 linux4ai-server sshd[13656]: Accepted publickey for ops from 10.0.0.4 port 38148 ssh2 Jan 20 08:07:21 linux4ai-server systemd-logind[565]: New session 8583 of user ops. Jan 20 08:07:21 linux4ai-server sshd[13656]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:07:21 linux4ai-server sshd[13656]: Disconnected from user ops 10.0.0.4 port 38148 Jan 20 08:07:21 linux4ai-server sshd[13656]: pam_unix(sshd:session): session closed for user ops Jan 20 08:07:21 linux4ai-server systemd-logind[565]: Session 8583 logged out. Waiting for processes to exit. Jan 20 08:07:31 linux4ai-server sshd[58204]: Invalid user test from 220.181.38.148 port 46534 Jan 20 08:07:31 linux4ai-server sshd[58204]: Failed password for invalid user test from 220.181.38.148 port 46534 ssh2 Jan 20 08:07:31 linux4ai-server sshd[58204]: Connection closed by invalid user test 220.181.38.148 port 46534 [preauth] Jan 20 08:07:39 linux4ai-server sshd[5085]: Failed password for root from 198.51.100.2 port 53373 ssh2 Jan 20 08:07:39 linux4ai-server sshd[5085]: Connection closed by authenticating user root 198.51.100.2 port 53373 [preauth] Jan 20 08:07:49 linux4ai-server sshd[45394]: Failed password for root from 185.199.110.153 port 51103 ssh2 Jan 20 08:07:49 linux4ai-server sshd[45394]: Received disconnect from 185.199.110.153 port 51103:11: Bye Bye [preauth] Jan 20 08:07:51 linux4ai-server sshd[8620]: Failed password for root from 192.168.1.200 port 56565 ssh2 Jan 20 08:07:51 linux4ai-server sshd[8620]: Received disconnect from 192.168.1.200 port 56565:11: Bye Bye [preauth] Jan 20 08:07:56 linux4ai-server sshd[35624]: Accepted publickey for student from 10.0.0.15 port 46975 ssh2 Jan 20 08:07:56 linux4ai-server systemd-logind[756]: New session 5617 of user student. Jan 20 08:07:56 linux4ai-server sshd[35624]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:07:56 linux4ai-server sshd[35624]: Disconnected from user student 10.0.0.15 port 46975 Jan 20 08:07:56 linux4ai-server sshd[35624]: pam_unix(sshd:session): session closed for user student Jan 20 08:07:56 linux4ai-server systemd-logind[756]: Session 5617 logged out. Waiting for processes to exit. Jan 20 08:08:04 linux4ai-server sshd[41467]: Invalid user ubnt from 198.51.100.2 port 60247 Jan 20 08:08:04 linux4ai-server sshd[41467]: Failed password for invalid user ubnt from 198.51.100.2 port 60247 ssh2 Jan 20 08:08:04 linux4ai-server sshd[41467]: Connection closed by invalid user ubnt 198.51.100.2 port 60247 [preauth] Jan 20 08:08:13 linux4ai-server sshd[23434]: Accepted publickey for huangwei from 192.168.1.106 port 30471 ssh2 Jan 20 08:08:13 linux4ai-server systemd-logind[582]: New session 6928 of user huangwei. Jan 20 08:08:13 linux4ai-server sshd[23434]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:08:13 linux4ai-server sshd[23434]: Disconnected from user huangwei 192.168.1.106 port 30471 Jan 20 08:08:13 linux4ai-server sshd[23434]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:08:13 linux4ai-server systemd-logind[582]: Session 6928 logged out. Waiting for processes to exit. Jan 20 08:08:14 linux4ai-server sshd[54947]: Failed password for root from 45.33.22.11 port 54903 ssh2 Jan 20 08:08:14 linux4ai-server sshd[54947]: Received disconnect from 45.33.22.11 port 54903:11: Bye Bye [preauth] Jan 20 08:08:19 linux4ai-server sshd[47176]: Failed password for root from 203.0.113.5 port 64848 ssh2 Jan 20 08:08:19 linux4ai-server sshd[47176]: Received disconnect from 203.0.113.5 port 64848:11: Bye Bye [preauth] Jan 20 08:08:27 linux4ai-server sshd[4597]: Invalid user ubnt from 192.168.1.200 port 59501 Jan 20 08:08:27 linux4ai-server sshd[4597]: Failed password for invalid user ubnt from 192.168.1.200 port 59501 ssh2 Jan 20 08:08:27 linux4ai-server sshd[4597]: Connection closed by invalid user ubnt 192.168.1.200 port 59501 [preauth] Jan 20 08:08:37 linux4ai-server sshd[2260]: Failed password for root from 185.199.110.153 port 63355 ssh2 Jan 20 08:08:37 linux4ai-server sshd[2260]: Connection closed by authenticating user root 185.199.110.153 port 63355 [preauth] Jan 20 08:08:47 linux4ai-server sshd[43170]: Accepted publickey for huangwei from 10.0.0.15 port 50220 ssh2 Jan 20 08:08:47 linux4ai-server systemd-logind[782]: New session 7412 of user huangwei. Jan 20 08:08:47 linux4ai-server sshd[43170]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:08:47 linux4ai-server sshd[43170]: Disconnected from user huangwei 10.0.0.15 port 50220 Jan 20 08:08:47 linux4ai-server sshd[43170]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:08:47 linux4ai-server systemd-logind[782]: Session 7412 logged out. Waiting for processes to exit. Jan 20 08:08:56 linux4ai-server sshd[57014]: Invalid user test from 45.33.22.11 port 64124 Jan 20 08:08:56 linux4ai-server sshd[57014]: Failed password for invalid user test from 45.33.22.11 port 64124 ssh2 Jan 20 08:08:56 linux4ai-server sshd[57014]: Connection closed by invalid user test 45.33.22.11 port 64124 [preauth] Jan 20 08:09:03 linux4ai-server sshd[25571]: Failed password for root from 203.0.113.5 port 53074 ssh2 Jan 20 08:09:03 linux4ai-server sshd[25571]: Connection closed by authenticating user root 203.0.113.5 port 53074 [preauth] Jan 20 08:09:05 linux4ai-server sshd[34319]: Failed password for root from 192.168.1.200 port 30075 ssh2 Jan 20 08:09:05 linux4ai-server sshd[34319]: Received disconnect from 192.168.1.200 port 30075:11: Bye Bye [preauth] Jan 20 08:09:15 linux4ai-server sshd[3062]: Invalid user admin from 45.33.22.11 port 36122 Jan 20 08:09:15 linux4ai-server sshd[3062]: Failed password for invalid user admin from 45.33.22.11 port 36122 ssh2 Jan 20 08:09:15 linux4ai-server sshd[3062]: Connection closed by invalid user admin 45.33.22.11 port 36122 [preauth] Jan 20 08:09:22 linux4ai-server sshd[45829]: Accepted publickey for teacher from 192.168.1.109 port 54514 ssh2 Jan 20 08:09:22 linux4ai-server systemd-logind[819]: New session 3232 of user teacher. Jan 20 08:09:22 linux4ai-server sshd[45829]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:09:22 linux4ai-server sshd[45829]: Disconnected from user teacher 192.168.1.109 port 54514 Jan 20 08:09:22 linux4ai-server sshd[45829]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:09:22 linux4ai-server systemd-logind[819]: Session 3232 logged out. Waiting for processes to exit. Jan 20 08:09:28 linux4ai-server sshd[41336]: Failed password for root from 192.168.1.200 port 40771 ssh2 Jan 20 08:09:28 linux4ai-server sshd[41336]: Received disconnect from 192.168.1.200 port 40771:11: Bye Bye [preauth] Jan 20 08:09:32 linux4ai-server sshd[17269]: Accepted publickey for dev from 10.0.0.13 port 62090 ssh2 Jan 20 08:09:32 linux4ai-server systemd-logind[620]: New session 7480 of user dev. Jan 20 08:09:32 linux4ai-server sshd[17269]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:09:32 linux4ai-server sshd[17269]: Disconnected from user dev 10.0.0.13 port 62090 Jan 20 08:09:32 linux4ai-server sshd[17269]: pam_unix(sshd:session): session closed for user dev Jan 20 08:09:32 linux4ai-server systemd-logind[620]: Session 7480 logged out. Waiting for processes to exit. Jan 20 08:09:42 linux4ai-server sshd[52703]: Accepted publickey for student from 192.168.1.101 port 44866 ssh2 Jan 20 08:09:42 linux4ai-server systemd-logind[780]: New session 6942 of user student. Jan 20 08:09:42 linux4ai-server sshd[52703]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:09:42 linux4ai-server sshd[52703]: Disconnected from user student 192.168.1.101 port 44866 Jan 20 08:09:42 linux4ai-server sshd[52703]: pam_unix(sshd:session): session closed for user student Jan 20 08:09:42 linux4ai-server systemd-logind[780]: Session 6942 logged out. Waiting for processes to exit. Jan 20 08:09:52 linux4ai-server sshd[30077]: Invalid user admin from 198.51.100.2 port 53784 Jan 20 08:09:52 linux4ai-server sshd[30077]: Failed password for invalid user admin from 198.51.100.2 port 53784 ssh2 Jan 20 08:09:52 linux4ai-server sshd[30077]: Connection closed by invalid user admin 198.51.100.2 port 53784 [preauth] Jan 20 08:10:01 linux4ai-server sshd[53271]: Invalid user test from 192.168.1.200 port 57763 Jan 20 08:10:01 linux4ai-server sshd[53271]: Failed password for invalid user test from 192.168.1.200 port 57763 ssh2 Jan 20 08:10:01 linux4ai-server sshd[53271]: Connection closed by invalid user test 192.168.1.200 port 57763 [preauth] Jan 20 08:10:03 linux4ai-server sshd[33507]: Invalid user test from 14.1.2.3 port 30497 Jan 20 08:10:03 linux4ai-server sshd[33507]: Failed password for invalid user test from 14.1.2.3 port 30497 ssh2 Jan 20 08:10:03 linux4ai-server sshd[33507]: Connection closed by invalid user test 14.1.2.3 port 30497 [preauth] Jan 20 08:10:07 linux4ai-server sshd[1006]: Invalid user root from 192.168.1.200 port 34429 Jan 20 08:10:07 linux4ai-server sshd[1006]: Failed password for invalid user root from 192.168.1.200 port 34429 ssh2 Jan 20 08:10:07 linux4ai-server sshd[1006]: Connection closed by invalid user root 192.168.1.200 port 34429 [preauth] Jan 20 08:10:08 linux4ai-server sshd[10079]: Invalid user mcserver from 185.199.110.153 port 37691 Jan 20 08:10:08 linux4ai-server sshd[10079]: Failed password for invalid user mcserver from 185.199.110.153 port 37691 ssh2 Jan 20 08:10:08 linux4ai-server sshd[10079]: Connection closed by invalid user mcserver 185.199.110.153 port 37691 [preauth] Jan 20 08:10:09 linux4ai-server sshd[50495]: Failed password for root from 203.0.113.5 port 36161 ssh2 Jan 20 08:10:09 linux4ai-server sshd[50495]: Received disconnect from 203.0.113.5 port 36161:11: Bye Bye [preauth] Jan 20 08:10:18 linux4ai-server sshd[59456]: Invalid user guest from 192.168.1.200 port 43370 Jan 20 08:10:18 linux4ai-server sshd[59456]: Failed password for invalid user guest from 192.168.1.200 port 43370 ssh2 Jan 20 08:10:18 linux4ai-server sshd[59456]: Connection closed by invalid user guest 192.168.1.200 port 43370 [preauth] Jan 20 08:10:22 linux4ai-server sshd[21875]: Failed password for root from 198.51.100.2 port 63062 ssh2 Jan 20 08:10:22 linux4ai-server sshd[21875]: Connection closed by authenticating user root 198.51.100.2 port 63062 [preauth] Jan 20 08:10:23 linux4ai-server sshd[54570]: Failed password for root from 192.168.1.200 port 62665 ssh2 Jan 20 08:10:23 linux4ai-server sshd[54570]: Received disconnect from 192.168.1.200 port 62665:11: Bye Bye [preauth] Jan 20 08:10:33 linux4ai-server sshd[8055]: Invalid user admin from 192.168.1.200 port 45832 Jan 20 08:10:33 linux4ai-server sshd[8055]: Failed password for invalid user admin from 192.168.1.200 port 45832 ssh2 Jan 20 08:10:33 linux4ai-server sshd[8055]: Connection closed by invalid user admin 192.168.1.200 port 45832 [preauth] Jan 20 08:10:40 linux4ai-server sshd[56566]: Failed password for root from 185.199.110.153 port 58966 ssh2 Jan 20 08:10:40 linux4ai-server sshd[56566]: Connection closed by authenticating user root 185.199.110.153 port 58966 [preauth] Jan 20 08:10:47 linux4ai-server sshd[19125]: Failed password for root from 192.168.1.200 port 53453 ssh2 Jan 20 08:10:47 linux4ai-server sshd[19125]: Connection closed by authenticating user root 192.168.1.200 port 53453 [preauth] Jan 20 08:10:49 linux4ai-server sshd[31101]: Invalid user mcserver from 45.33.22.11 port 56269 Jan 20 08:10:49 linux4ai-server sshd[31101]: Failed password for invalid user mcserver from 45.33.22.11 port 56269 ssh2 Jan 20 08:10:49 linux4ai-server sshd[31101]: Connection closed by invalid user mcserver 45.33.22.11 port 56269 [preauth] Jan 20 08:10:58 linux4ai-server sshd[12418]: Invalid user test from 198.51.100.2 port 37898 Jan 20 08:10:58 linux4ai-server sshd[12418]: Failed password for invalid user test from 198.51.100.2 port 37898 ssh2 Jan 20 08:10:58 linux4ai-server sshd[12418]: Connection closed by invalid user test 198.51.100.2 port 37898 [preauth] Jan 20 08:11:05 linux4ai-server sshd[35758]: Failed password for root from 45.33.22.11 port 50903 ssh2 Jan 20 08:11:05 linux4ai-server sshd[35758]: Connection closed by authenticating user root 45.33.22.11 port 50903 [preauth] Jan 20 08:11:11 linux4ai-server sshd[19015]: Invalid user root from 14.1.2.3 port 49170 Jan 20 08:11:11 linux4ai-server sshd[19015]: Failed password for invalid user root from 14.1.2.3 port 49170 ssh2 Jan 20 08:11:11 linux4ai-server sshd[19015]: Connection closed by invalid user root 14.1.2.3 port 49170 [preauth] Jan 20 08:11:15 linux4ai-server sshd[13057]: Invalid user admin from 203.0.113.5 port 53993 Jan 20 08:11:15 linux4ai-server sshd[13057]: Failed password for invalid user admin from 203.0.113.5 port 53993 ssh2 Jan 20 08:11:15 linux4ai-server sshd[13057]: Connection closed by invalid user admin 203.0.113.5 port 53993 [preauth] Jan 20 08:11:19 linux4ai-server sshd[25484]: Failed password for root from 45.33.22.11 port 38263 ssh2 Jan 20 08:11:19 linux4ai-server sshd[25484]: Received disconnect from 45.33.22.11 port 38263:11: Bye Bye [preauth] Jan 20 08:11:22 linux4ai-server sshd[5654]: Invalid user root from 220.181.38.148 port 30969 Jan 20 08:11:22 linux4ai-server sshd[5654]: Failed password for invalid user root from 220.181.38.148 port 30969 ssh2 Jan 20 08:11:22 linux4ai-server sshd[5654]: Connection closed by invalid user root 220.181.38.148 port 30969 [preauth] Jan 20 08:11:32 linux4ai-server sshd[33131]: Accepted publickey for dev from 10.0.0.6 port 55583 ssh2 Jan 20 08:11:32 linux4ai-server systemd-logind[652]: New session 5822 of user dev. Jan 20 08:11:32 linux4ai-server sshd[33131]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:11:32 linux4ai-server sshd[33131]: Disconnected from user dev 10.0.0.6 port 55583 Jan 20 08:11:32 linux4ai-server sshd[33131]: pam_unix(sshd:session): session closed for user dev Jan 20 08:11:32 linux4ai-server systemd-logind[652]: Session 5822 logged out. Waiting for processes to exit. Jan 20 08:11:36 linux4ai-server sshd[27733]: Invalid user support from 192.168.1.200 port 30376 Jan 20 08:11:36 linux4ai-server sshd[27733]: Failed password for invalid user support from 192.168.1.200 port 30376 ssh2 Jan 20 08:11:36 linux4ai-server sshd[27733]: Connection closed by invalid user support 192.168.1.200 port 30376 [preauth] Jan 20 08:11:45 linux4ai-server sshd[14782]: Accepted publickey for dev from 10.0.0.12 port 34371 ssh2 Jan 20 08:11:45 linux4ai-server systemd-logind[635]: New session 8384 of user dev. Jan 20 08:11:45 linux4ai-server sshd[14782]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:11:45 linux4ai-server sshd[14782]: Disconnected from user dev 10.0.0.12 port 34371 Jan 20 08:11:45 linux4ai-server sshd[14782]: pam_unix(sshd:session): session closed for user dev Jan 20 08:11:45 linux4ai-server systemd-logind[635]: Session 8384 logged out. Waiting for processes to exit. Jan 20 08:11:52 linux4ai-server sshd[57869]: Failed password for root from 192.168.1.200 port 39054 ssh2 Jan 20 08:11:52 linux4ai-server sshd[57869]: Received disconnect from 192.168.1.200 port 39054:11: Bye Bye [preauth] Jan 20 08:12:02 linux4ai-server sshd[32958]: Invalid user postgres from 192.168.1.200 port 38592 Jan 20 08:12:02 linux4ai-server sshd[32958]: Failed password for invalid user postgres from 192.168.1.200 port 38592 ssh2 Jan 20 08:12:02 linux4ai-server sshd[32958]: Connection closed by invalid user postgres 192.168.1.200 port 38592 [preauth] Jan 20 08:12:11 linux4ai-server sshd[2606]: Accepted publickey for dev from 192.168.1.102 port 43944 ssh2 Jan 20 08:12:11 linux4ai-server systemd-logind[869]: New session 2114 of user dev. Jan 20 08:12:11 linux4ai-server sshd[2606]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:12:11 linux4ai-server sshd[2606]: Disconnected from user dev 192.168.1.102 port 43944 Jan 20 08:12:11 linux4ai-server sshd[2606]: pam_unix(sshd:session): session closed for user dev Jan 20 08:12:11 linux4ai-server systemd-logind[869]: Session 2114 logged out. Waiting for processes to exit. Jan 20 08:12:17 linux4ai-server sshd[4496]: Failed password for root from 45.33.22.11 port 52464 ssh2 Jan 20 08:12:17 linux4ai-server sshd[4496]: Connection closed by authenticating user root 45.33.22.11 port 52464 [preauth] Jan 20 08:12:26 linux4ai-server sshd[21512]: Accepted publickey for huangwei from 10.0.0.9 port 34940 ssh2 Jan 20 08:12:26 linux4ai-server systemd-logind[866]: New session 7112 of user huangwei. Jan 20 08:12:26 linux4ai-server sshd[21512]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:12:26 linux4ai-server sshd[21512]: Disconnected from user huangwei 10.0.0.9 port 34940 Jan 20 08:12:26 linux4ai-server sshd[21512]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:12:26 linux4ai-server systemd-logind[866]: Session 7112 logged out. Waiting for processes to exit. Jan 20 08:12:34 linux4ai-server sshd[1985]: Failed password for root from 45.33.22.11 port 53526 ssh2 Jan 20 08:12:34 linux4ai-server sshd[1985]: Received disconnect from 45.33.22.11 port 53526:11: Bye Bye [preauth] Jan 20 08:12:36 linux4ai-server sshd[17180]: Accepted publickey for teacher from 10.0.0.12 port 63704 ssh2 Jan 20 08:12:36 linux4ai-server systemd-logind[783]: New session 4917 of user teacher. Jan 20 08:12:36 linux4ai-server sshd[17180]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:12:36 linux4ai-server sshd[17180]: Disconnected from user teacher 10.0.0.12 port 63704 Jan 20 08:12:36 linux4ai-server sshd[17180]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:12:36 linux4ai-server systemd-logind[783]: Session 4917 logged out. Waiting for processes to exit. Jan 20 08:12:39 linux4ai-server sshd[25990]: Invalid user test from 192.168.1.200 port 50941 Jan 20 08:12:39 linux4ai-server sshd[25990]: Failed password for invalid user test from 192.168.1.200 port 50941 ssh2 Jan 20 08:12:39 linux4ai-server sshd[25990]: Connection closed by invalid user test 192.168.1.200 port 50941 [preauth] Jan 20 08:12:47 linux4ai-server sshd[38680]: Invalid user support from 45.33.22.11 port 43441 Jan 20 08:12:47 linux4ai-server sshd[38680]: Failed password for invalid user support from 45.33.22.11 port 43441 ssh2 Jan 20 08:12:47 linux4ai-server sshd[38680]: Connection closed by invalid user support 45.33.22.11 port 43441 [preauth] Jan 20 08:12:55 linux4ai-server sshd[18164]: Failed password for root from 203.0.113.5 port 35314 ssh2 Jan 20 08:12:55 linux4ai-server sshd[18164]: Received disconnect from 203.0.113.5 port 35314:11: Bye Bye [preauth] Jan 20 08:13:04 linux4ai-server sshd[18097]: Accepted publickey for student from 10.0.0.4 port 51591 ssh2 Jan 20 08:13:04 linux4ai-server systemd-logind[803]: New session 267 of user student. Jan 20 08:13:04 linux4ai-server sshd[18097]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:13:04 linux4ai-server sshd[18097]: Disconnected from user student 10.0.0.4 port 51591 Jan 20 08:13:04 linux4ai-server sshd[18097]: pam_unix(sshd:session): session closed for user student Jan 20 08:13:04 linux4ai-server systemd-logind[803]: Session 267 logged out. Waiting for processes to exit. Jan 20 08:13:07 linux4ai-server sshd[35768]: Invalid user test from 45.33.22.11 port 47267 Jan 20 08:13:07 linux4ai-server sshd[35768]: Failed password for invalid user test from 45.33.22.11 port 47267 ssh2 Jan 20 08:13:07 linux4ai-server sshd[35768]: Connection closed by invalid user test 45.33.22.11 port 47267 [preauth] Jan 20 08:13:13 linux4ai-server sshd[24267]: Invalid user admin from 192.168.1.200 port 51234 Jan 20 08:13:13 linux4ai-server sshd[24267]: Failed password for invalid user admin from 192.168.1.200 port 51234 ssh2 Jan 20 08:13:13 linux4ai-server sshd[24267]: Connection closed by invalid user admin 192.168.1.200 port 51234 [preauth] Jan 20 08:13:19 linux4ai-server sshd[32605]: Failed password for root from 185.199.110.153 port 39985 ssh2 Jan 20 08:13:19 linux4ai-server sshd[32605]: Received disconnect from 185.199.110.153 port 39985:11: Bye Bye [preauth] Jan 20 08:13:22 linux4ai-server sshd[1533]: Invalid user oracle from 14.1.2.3 port 53505 Jan 20 08:13:22 linux4ai-server sshd[1533]: Failed password for invalid user oracle from 14.1.2.3 port 53505 ssh2 Jan 20 08:13:22 linux4ai-server sshd[1533]: Connection closed by invalid user oracle 14.1.2.3 port 53505 [preauth] Jan 20 08:13:27 linux4ai-server sshd[43063]: Invalid user oracle from 192.168.1.200 port 46605 Jan 20 08:13:27 linux4ai-server sshd[43063]: Failed password for invalid user oracle from 192.168.1.200 port 46605 ssh2 Jan 20 08:13:27 linux4ai-server sshd[43063]: Connection closed by invalid user oracle 192.168.1.200 port 46605 [preauth] Jan 20 08:13:35 linux4ai-server sshd[52025]: Accepted publickey for teacher from 192.168.1.111 port 38286 ssh2 Jan 20 08:13:35 linux4ai-server systemd-logind[563]: New session 4516 of user teacher. Jan 20 08:13:35 linux4ai-server sshd[52025]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:13:35 linux4ai-server sshd[52025]: Disconnected from user teacher 192.168.1.111 port 38286 Jan 20 08:13:35 linux4ai-server sshd[52025]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:13:35 linux4ai-server systemd-logind[563]: Session 4516 logged out. Waiting for processes to exit. Jan 20 08:13:41 linux4ai-server sshd[21345]: Invalid user guest from 203.0.113.5 port 37526 Jan 20 08:13:41 linux4ai-server sshd[21345]: Failed password for invalid user guest from 203.0.113.5 port 37526 ssh2 Jan 20 08:13:41 linux4ai-server sshd[21345]: Connection closed by invalid user guest 203.0.113.5 port 37526 [preauth] Jan 20 08:13:45 linux4ai-server sshd[36279]: Accepted publickey for dev from 10.0.0.6 port 31771 ssh2 Jan 20 08:13:45 linux4ai-server systemd-logind[530]: New session 7366 of user dev. Jan 20 08:13:45 linux4ai-server sshd[36279]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:13:45 linux4ai-server sshd[36279]: Disconnected from user dev 10.0.0.6 port 31771 Jan 20 08:13:45 linux4ai-server sshd[36279]: pam_unix(sshd:session): session closed for user dev Jan 20 08:13:45 linux4ai-server systemd-logind[530]: Session 7366 logged out. Waiting for processes to exit. Jan 20 08:13:54 linux4ai-server sshd[13941]: Connection closed by 45.33.22.11 port 42697 [preauth] Jan 20 08:14:02 linux4ai-server sshd[43377]: Accepted publickey for student from 10.0.0.10 port 34498 ssh2 Jan 20 08:14:02 linux4ai-server systemd-logind[621]: New session 2401 of user student. Jan 20 08:14:02 linux4ai-server sshd[43377]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:14:02 linux4ai-server sshd[43377]: Disconnected from user student 10.0.0.10 port 34498 Jan 20 08:14:02 linux4ai-server sshd[43377]: pam_unix(sshd:session): session closed for user student Jan 20 08:14:02 linux4ai-server systemd-logind[621]: Session 2401 logged out. Waiting for processes to exit. Jan 20 08:14:03 linux4ai-server sshd[23308]: Accepted publickey for huangwei from 10.0.0.11 port 62717 ssh2 Jan 20 08:14:03 linux4ai-server systemd-logind[508]: New session 790 of user huangwei. Jan 20 08:14:03 linux4ai-server sshd[23308]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:14:03 linux4ai-server sshd[23308]: Disconnected from user huangwei 10.0.0.11 port 62717 Jan 20 08:14:03 linux4ai-server sshd[23308]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:14:03 linux4ai-server systemd-logind[508]: Session 790 logged out. Waiting for processes to exit. Jan 20 08:14:04 linux4ai-server sshd[24991]: Accepted publickey for huangwei from 10.0.0.19 port 44473 ssh2 Jan 20 08:14:04 linux4ai-server systemd-logind[655]: New session 796 of user huangwei. Jan 20 08:14:04 linux4ai-server sshd[24991]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:14:04 linux4ai-server sshd[24991]: Disconnected from user huangwei 10.0.0.19 port 44473 Jan 20 08:14:04 linux4ai-server sshd[24991]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:14:04 linux4ai-server systemd-logind[655]: Session 796 logged out. Waiting for processes to exit. Jan 20 08:14:06 linux4ai-server sshd[13134]: Failed password for root from 198.51.100.2 port 64409 ssh2 Jan 20 08:14:06 linux4ai-server sshd[13134]: Connection closed by authenticating user root 198.51.100.2 port 64409 [preauth] Jan 20 08:14:08 linux4ai-server sshd[9700]: Accepted publickey for teacher from 192.168.1.105 port 54260 ssh2 Jan 20 08:14:08 linux4ai-server systemd-logind[880]: New session 3726 of user teacher. Jan 20 08:14:08 linux4ai-server sshd[9700]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:14:08 linux4ai-server sshd[9700]: Disconnected from user teacher 192.168.1.105 port 54260 Jan 20 08:14:08 linux4ai-server sshd[9700]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:14:08 linux4ai-server systemd-logind[880]: Session 3726 logged out. Waiting for processes to exit. Jan 20 08:14:12 linux4ai-server sshd[43165]: Invalid user test from 198.51.100.2 port 40345 Jan 20 08:14:12 linux4ai-server sshd[43165]: Failed password for invalid user test from 198.51.100.2 port 40345 ssh2 Jan 20 08:14:12 linux4ai-server sshd[43165]: Connection closed by invalid user test 198.51.100.2 port 40345 [preauth] Jan 20 08:14:16 linux4ai-server sshd[42594]: Failed password for root from 45.33.22.11 port 50249 ssh2 Jan 20 08:14:16 linux4ai-server sshd[42594]: Received disconnect from 45.33.22.11 port 50249:11: Bye Bye [preauth] Jan 20 08:14:18 linux4ai-server sshd[12324]: Invalid user support from 45.33.22.11 port 46365 Jan 20 08:14:18 linux4ai-server sshd[12324]: Failed password for invalid user support from 45.33.22.11 port 46365 ssh2 Jan 20 08:14:18 linux4ai-server sshd[12324]: Connection closed by invalid user support 45.33.22.11 port 46365 [preauth] Jan 20 08:14:23 linux4ai-server sshd[1122]: Invalid user oracle from 203.0.113.5 port 56086 Jan 20 08:14:23 linux4ai-server sshd[1122]: Failed password for invalid user oracle from 203.0.113.5 port 56086 ssh2 Jan 20 08:14:23 linux4ai-server sshd[1122]: Connection closed by invalid user oracle 203.0.113.5 port 56086 [preauth] Jan 20 08:14:30 linux4ai-server sshd[10146]: Invalid user postgres from 45.33.22.11 port 61601 Jan 20 08:14:30 linux4ai-server sshd[10146]: Failed password for invalid user postgres from 45.33.22.11 port 61601 ssh2 Jan 20 08:14:30 linux4ai-server sshd[10146]: Connection closed by invalid user postgres 45.33.22.11 port 61601 [preauth] Jan 20 08:14:36 linux4ai-server sshd[47151]: Connection closed by 192.168.1.200 port 48381 [preauth] Jan 20 08:14:43 linux4ai-server sshd[21181]: Accepted publickey for ops from 192.168.1.103 port 46175 ssh2 Jan 20 08:14:43 linux4ai-server systemd-logind[563]: New session 3209 of user ops. Jan 20 08:14:43 linux4ai-server sshd[21181]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:14:43 linux4ai-server sshd[21181]: Disconnected from user ops 192.168.1.103 port 46175 Jan 20 08:14:43 linux4ai-server sshd[21181]: pam_unix(sshd:session): session closed for user ops Jan 20 08:14:43 linux4ai-server systemd-logind[563]: Session 3209 logged out. Waiting for processes to exit. Jan 20 08:14:49 linux4ai-server sshd[36674]: Accepted publickey for ops from 192.168.1.104 port 56232 ssh2 Jan 20 08:14:49 linux4ai-server systemd-logind[724]: New session 396 of user ops. Jan 20 08:14:49 linux4ai-server sshd[36674]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:14:49 linux4ai-server sshd[36674]: Disconnected from user ops 192.168.1.104 port 56232 Jan 20 08:14:49 linux4ai-server sshd[36674]: pam_unix(sshd:session): session closed for user ops Jan 20 08:14:49 linux4ai-server systemd-logind[724]: Session 396 logged out. Waiting for processes to exit. Jan 20 08:14:54 linux4ai-server sshd[41027]: Accepted publickey for student from 10.0.0.19 port 54540 ssh2 Jan 20 08:14:54 linux4ai-server systemd-logind[579]: New session 6604 of user student. Jan 20 08:14:54 linux4ai-server sshd[41027]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:14:54 linux4ai-server sshd[41027]: Disconnected from user student 10.0.0.19 port 54540 Jan 20 08:14:54 linux4ai-server sshd[41027]: pam_unix(sshd:session): session closed for user student Jan 20 08:14:54 linux4ai-server systemd-logind[579]: Session 6604 logged out. Waiting for processes to exit. Jan 20 08:14:57 linux4ai-server sshd[52063]: Accepted publickey for huangwei from 192.168.1.112 port 51782 ssh2 Jan 20 08:14:57 linux4ai-server systemd-logind[786]: New session 3406 of user huangwei. Jan 20 08:14:57 linux4ai-server sshd[52063]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:14:57 linux4ai-server sshd[52063]: Disconnected from user huangwei 192.168.1.112 port 51782 Jan 20 08:14:57 linux4ai-server sshd[52063]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:14:57 linux4ai-server systemd-logind[786]: Session 3406 logged out. Waiting for processes to exit. Jan 20 08:15:06 linux4ai-server sshd[59842]: Invalid user postgres from 192.168.1.200 port 55254 Jan 20 08:15:06 linux4ai-server sshd[59842]: Failed password for invalid user postgres from 192.168.1.200 port 55254 ssh2 Jan 20 08:15:06 linux4ai-server sshd[59842]: Connection closed by invalid user postgres 192.168.1.200 port 55254 [preauth] Jan 20 08:15:08 linux4ai-server sshd[13023]: Invalid user ubnt from 192.168.1.200 port 58049 Jan 20 08:15:08 linux4ai-server sshd[13023]: Failed password for invalid user ubnt from 192.168.1.200 port 58049 ssh2 Jan 20 08:15:08 linux4ai-server sshd[13023]: Connection closed by invalid user ubnt 192.168.1.200 port 58049 [preauth] Jan 20 08:15:15 linux4ai-server sshd[41029]: Invalid user guest from 45.33.22.11 port 36835 Jan 20 08:15:15 linux4ai-server sshd[41029]: Failed password for invalid user guest from 45.33.22.11 port 36835 ssh2 Jan 20 08:15:15 linux4ai-server sshd[41029]: Connection closed by invalid user guest 45.33.22.11 port 36835 [preauth] Jan 20 08:15:16 linux4ai-server sshd[44944]: Invalid user ubnt from 45.33.22.11 port 42633 Jan 20 08:15:16 linux4ai-server sshd[44944]: Failed password for invalid user ubnt from 45.33.22.11 port 42633 ssh2 Jan 20 08:15:16 linux4ai-server sshd[44944]: Connection closed by invalid user ubnt 45.33.22.11 port 42633 [preauth] Jan 20 08:15:19 linux4ai-server sshd[47953]: Failed password for root from 45.33.22.11 port 35640 ssh2 Jan 20 08:15:19 linux4ai-server sshd[47953]: Connection closed by authenticating user root 45.33.22.11 port 35640 [preauth] Jan 20 08:15:22 linux4ai-server sshd[2341]: Invalid user ubnt from 192.168.1.200 port 41771 Jan 20 08:15:22 linux4ai-server sshd[2341]: Failed password for invalid user ubnt from 192.168.1.200 port 41771 ssh2 Jan 20 08:15:22 linux4ai-server sshd[2341]: Connection closed by invalid user ubnt 192.168.1.200 port 41771 [preauth] Jan 20 08:15:23 linux4ai-server sshd[36390]: Failed password for root from 203.0.113.5 port 30627 ssh2 Jan 20 08:15:23 linux4ai-server sshd[36390]: Received disconnect from 203.0.113.5 port 30627:11: Bye Bye [preauth] Jan 20 08:15:29 linux4ai-server sshd[55215]: Connection closed by 45.33.22.11 port 62220 [preauth] Jan 20 08:15:37 linux4ai-server sshd[36400]: Accepted publickey for teacher from 192.168.1.101 port 56565 ssh2 Jan 20 08:15:37 linux4ai-server systemd-logind[865]: New session 977 of user teacher. Jan 20 08:15:37 linux4ai-server sshd[36400]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:15:37 linux4ai-server sshd[36400]: Disconnected from user teacher 192.168.1.101 port 56565 Jan 20 08:15:37 linux4ai-server sshd[36400]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:15:37 linux4ai-server systemd-logind[865]: Session 977 logged out. Waiting for processes to exit. Jan 20 08:15:39 linux4ai-server sshd[37859]: Connection closed by 192.168.1.200 port 35799 [preauth] Jan 20 08:15:46 linux4ai-server sshd[46966]: Invalid user guest from 220.181.38.148 port 37886 Jan 20 08:15:46 linux4ai-server sshd[46966]: Failed password for invalid user guest from 220.181.38.148 port 37886 ssh2 Jan 20 08:15:46 linux4ai-server sshd[46966]: Connection closed by invalid user guest 220.181.38.148 port 37886 [preauth] Jan 20 08:15:54 linux4ai-server sshd[51218]: Invalid user guest from 14.1.2.3 port 64235 Jan 20 08:15:54 linux4ai-server sshd[51218]: Failed password for invalid user guest from 14.1.2.3 port 64235 ssh2 Jan 20 08:15:54 linux4ai-server sshd[51218]: Connection closed by invalid user guest 14.1.2.3 port 64235 [preauth] Jan 20 08:15:56 linux4ai-server sshd[32377]: Invalid user guest from 192.168.1.200 port 53539 Jan 20 08:15:56 linux4ai-server sshd[32377]: Failed password for invalid user guest from 192.168.1.200 port 53539 ssh2 Jan 20 08:15:56 linux4ai-server sshd[32377]: Connection closed by invalid user guest 192.168.1.200 port 53539 [preauth] Jan 20 08:15:57 linux4ai-server sshd[29293]: Invalid user mcserver from 45.33.22.11 port 59565 Jan 20 08:15:57 linux4ai-server sshd[29293]: Failed password for invalid user mcserver from 45.33.22.11 port 59565 ssh2 Jan 20 08:15:57 linux4ai-server sshd[29293]: Connection closed by invalid user mcserver 45.33.22.11 port 59565 [preauth] Jan 20 08:15:58 linux4ai-server sshd[49572]: Invalid user guest from 185.199.110.153 port 61114 Jan 20 08:15:58 linux4ai-server sshd[49572]: Failed password for invalid user guest from 185.199.110.153 port 61114 ssh2 Jan 20 08:15:58 linux4ai-server sshd[49572]: Connection closed by invalid user guest 185.199.110.153 port 61114 [preauth] Jan 20 08:15:59 linux4ai-server sshd[42694]: Failed password for root from 192.168.1.200 port 45545 ssh2 Jan 20 08:15:59 linux4ai-server sshd[42694]: Received disconnect from 192.168.1.200 port 45545:11: Bye Bye [preauth] Jan 20 08:16:03 linux4ai-server sshd[55053]: Accepted publickey for dev from 192.168.1.112 port 35909 ssh2 Jan 20 08:16:03 linux4ai-server systemd-logind[777]: New session 8871 of user dev. Jan 20 08:16:03 linux4ai-server sshd[55053]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:16:03 linux4ai-server sshd[55053]: Disconnected from user dev 192.168.1.112 port 35909 Jan 20 08:16:03 linux4ai-server sshd[55053]: pam_unix(sshd:session): session closed for user dev Jan 20 08:16:03 linux4ai-server systemd-logind[777]: Session 8871 logged out. Waiting for processes to exit. Jan 20 08:16:13 linux4ai-server sshd[21761]: Invalid user mcserver from 198.51.100.2 port 56485 Jan 20 08:16:13 linux4ai-server sshd[21761]: Failed password for invalid user mcserver from 198.51.100.2 port 56485 ssh2 Jan 20 08:16:13 linux4ai-server sshd[21761]: Connection closed by invalid user mcserver 198.51.100.2 port 56485 [preauth] Jan 20 08:16:18 linux4ai-server sshd[48493]: Invalid user postgres from 45.33.22.11 port 55197 Jan 20 08:16:18 linux4ai-server sshd[48493]: Failed password for invalid user postgres from 45.33.22.11 port 55197 ssh2 Jan 20 08:16:18 linux4ai-server sshd[48493]: Connection closed by invalid user postgres 45.33.22.11 port 55197 [preauth] Jan 20 08:16:19 linux4ai-server sshd[36297]: Failed password for root from 45.33.22.11 port 57413 ssh2 Jan 20 08:16:19 linux4ai-server sshd[36297]: Connection closed by authenticating user root 45.33.22.11 port 57413 [preauth] Jan 20 08:16:21 linux4ai-server sshd[54706]: Invalid user oracle from 192.168.1.200 port 51510 Jan 20 08:16:21 linux4ai-server sshd[54706]: Failed password for invalid user oracle from 192.168.1.200 port 51510 ssh2 Jan 20 08:16:21 linux4ai-server sshd[54706]: Connection closed by invalid user oracle 192.168.1.200 port 51510 [preauth] Jan 20 08:16:30 linux4ai-server sshd[42315]: Failed password for root from 198.51.100.2 port 32504 ssh2 Jan 20 08:16:30 linux4ai-server sshd[42315]: Received disconnect from 198.51.100.2 port 32504:11: Bye Bye [preauth] Jan 20 08:16:36 linux4ai-server sshd[2343]: Invalid user root from 45.33.22.11 port 39186 Jan 20 08:16:36 linux4ai-server sshd[2343]: Failed password for invalid user root from 45.33.22.11 port 39186 ssh2 Jan 20 08:16:36 linux4ai-server sshd[2343]: Connection closed by invalid user root 45.33.22.11 port 39186 [preauth] Jan 20 08:16:39 linux4ai-server sshd[50189]: Connection closed by 198.51.100.2 port 32775 [preauth] Jan 20 08:16:41 linux4ai-server sshd[47539]: Invalid user support from 203.0.113.5 port 43759 Jan 20 08:16:41 linux4ai-server sshd[47539]: Failed password for invalid user support from 203.0.113.5 port 43759 ssh2 Jan 20 08:16:41 linux4ai-server sshd[47539]: Connection closed by invalid user support 203.0.113.5 port 43759 [preauth] Jan 20 08:16:45 linux4ai-server sshd[19116]: Failed password for root from 203.0.113.5 port 51128 ssh2 Jan 20 08:16:45 linux4ai-server sshd[19116]: Connection closed by authenticating user root 203.0.113.5 port 51128 [preauth] Jan 20 08:16:51 linux4ai-server sshd[21315]: Failed password for root from 203.0.113.5 port 56894 ssh2 Jan 20 08:16:51 linux4ai-server sshd[21315]: Connection closed by authenticating user root 203.0.113.5 port 56894 [preauth] Jan 20 08:16:58 linux4ai-server sshd[59417]: Invalid user root from 192.168.1.200 port 60661 Jan 20 08:16:58 linux4ai-server sshd[59417]: Failed password for invalid user root from 192.168.1.200 port 60661 ssh2 Jan 20 08:16:58 linux4ai-server sshd[59417]: Connection closed by invalid user root 192.168.1.200 port 60661 [preauth] Jan 20 08:17:01 linux4ai-server sshd[43062]: Accepted publickey for ops from 192.168.1.100 port 48432 ssh2 Jan 20 08:17:01 linux4ai-server systemd-logind[788]: New session 873 of user ops. Jan 20 08:17:01 linux4ai-server sshd[43062]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:17:01 linux4ai-server sshd[43062]: Disconnected from user ops 192.168.1.100 port 48432 Jan 20 08:17:01 linux4ai-server sshd[43062]: pam_unix(sshd:session): session closed for user ops Jan 20 08:17:01 linux4ai-server systemd-logind[788]: Session 873 logged out. Waiting for processes to exit. Jan 20 08:17:03 linux4ai-server sshd[44413]: Accepted publickey for dev from 10.0.0.14 port 63529 ssh2 Jan 20 08:17:03 linux4ai-server systemd-logind[762]: New session 2980 of user dev. Jan 20 08:17:03 linux4ai-server sshd[44413]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:17:03 linux4ai-server sshd[44413]: Disconnected from user dev 10.0.0.14 port 63529 Jan 20 08:17:03 linux4ai-server sshd[44413]: pam_unix(sshd:session): session closed for user dev Jan 20 08:17:03 linux4ai-server systemd-logind[762]: Session 2980 logged out. Waiting for processes to exit. Jan 20 08:17:04 linux4ai-server sshd[16506]: Invalid user oracle from 185.199.110.153 port 42097 Jan 20 08:17:04 linux4ai-server sshd[16506]: Failed password for invalid user oracle from 185.199.110.153 port 42097 ssh2 Jan 20 08:17:04 linux4ai-server sshd[16506]: Connection closed by invalid user oracle 185.199.110.153 port 42097 [preauth] Jan 20 08:17:07 linux4ai-server sshd[32516]: Accepted publickey for huangwei from 192.168.1.112 port 61950 ssh2 Jan 20 08:17:07 linux4ai-server systemd-logind[516]: New session 4136 of user huangwei. Jan 20 08:17:07 linux4ai-server sshd[32516]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:17:07 linux4ai-server sshd[32516]: Disconnected from user huangwei 192.168.1.112 port 61950 Jan 20 08:17:07 linux4ai-server sshd[32516]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:17:07 linux4ai-server systemd-logind[516]: Session 4136 logged out. Waiting for processes to exit. Jan 20 08:17:12 linux4ai-server sshd[10341]: Failed password for root from 198.51.100.2 port 39452 ssh2 Jan 20 08:17:12 linux4ai-server sshd[10341]: Connection closed by authenticating user root 198.51.100.2 port 39452 [preauth] Jan 20 08:17:21 linux4ai-server sshd[33398]: Connection closed by 203.0.113.5 port 48467 [preauth] Jan 20 08:17:23 linux4ai-server sshd[49905]: Failed password for root from 192.168.1.200 port 50687 ssh2 Jan 20 08:17:23 linux4ai-server sshd[49905]: Connection closed by authenticating user root 192.168.1.200 port 50687 [preauth] Jan 20 08:17:31 linux4ai-server sshd[47365]: Failed password for root from 45.33.22.11 port 64386 ssh2 Jan 20 08:17:31 linux4ai-server sshd[47365]: Received disconnect from 45.33.22.11 port 64386:11: Bye Bye [preauth] Jan 20 08:17:35 linux4ai-server sshd[15358]: Accepted publickey for huangwei from 192.168.1.109 port 64992 ssh2 Jan 20 08:17:35 linux4ai-server systemd-logind[606]: New session 4259 of user huangwei. Jan 20 08:17:35 linux4ai-server sshd[15358]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:17:35 linux4ai-server sshd[15358]: Disconnected from user huangwei 192.168.1.109 port 64992 Jan 20 08:17:35 linux4ai-server sshd[15358]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:17:35 linux4ai-server systemd-logind[606]: Session 4259 logged out. Waiting for processes to exit. Jan 20 08:17:45 linux4ai-server sshd[34083]: Accepted publickey for dev from 192.168.1.118 port 57052 ssh2 Jan 20 08:17:45 linux4ai-server systemd-logind[764]: New session 7197 of user dev. Jan 20 08:17:45 linux4ai-server sshd[34083]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:17:45 linux4ai-server sshd[34083]: Disconnected from user dev 192.168.1.118 port 57052 Jan 20 08:17:45 linux4ai-server sshd[34083]: pam_unix(sshd:session): session closed for user dev Jan 20 08:17:45 linux4ai-server systemd-logind[764]: Session 7197 logged out. Waiting for processes to exit. Jan 20 08:17:48 linux4ai-server sshd[44713]: Invalid user postgres from 192.168.1.200 port 32291 Jan 20 08:17:48 linux4ai-server sshd[44713]: Failed password for invalid user postgres from 192.168.1.200 port 32291 ssh2 Jan 20 08:17:48 linux4ai-server sshd[44713]: Connection closed by invalid user postgres 192.168.1.200 port 32291 [preauth] Jan 20 08:17:58 linux4ai-server sshd[26892]: Accepted publickey for dev from 10.0.0.6 port 31827 ssh2 Jan 20 08:17:58 linux4ai-server systemd-logind[546]: New session 5861 of user dev. Jan 20 08:17:58 linux4ai-server sshd[26892]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:17:58 linux4ai-server sshd[26892]: Disconnected from user dev 10.0.0.6 port 31827 Jan 20 08:17:58 linux4ai-server sshd[26892]: pam_unix(sshd:session): session closed for user dev Jan 20 08:17:58 linux4ai-server systemd-logind[546]: Session 5861 logged out. Waiting for processes to exit. Jan 20 08:18:03 linux4ai-server sshd[14371]: Invalid user mcserver from 185.199.110.153 port 41805 Jan 20 08:18:03 linux4ai-server sshd[14371]: Failed password for invalid user mcserver from 185.199.110.153 port 41805 ssh2 Jan 20 08:18:03 linux4ai-server sshd[14371]: Connection closed by invalid user mcserver 185.199.110.153 port 41805 [preauth] Jan 20 08:18:09 linux4ai-server sshd[22756]: Invalid user ubnt from 185.199.110.153 port 39546 Jan 20 08:18:09 linux4ai-server sshd[22756]: Failed password for invalid user ubnt from 185.199.110.153 port 39546 ssh2 Jan 20 08:18:09 linux4ai-server sshd[22756]: Connection closed by invalid user ubnt 185.199.110.153 port 39546 [preauth] Jan 20 08:18:18 linux4ai-server sshd[43994]: Connection closed by 203.0.113.5 port 58630 [preauth] Jan 20 08:18:24 linux4ai-server sshd[27371]: Invalid user root from 198.51.100.2 port 30601 Jan 20 08:18:24 linux4ai-server sshd[27371]: Failed password for invalid user root from 198.51.100.2 port 30601 ssh2 Jan 20 08:18:24 linux4ai-server sshd[27371]: Connection closed by invalid user root 198.51.100.2 port 30601 [preauth] Jan 20 08:18:31 linux4ai-server sshd[29371]: Invalid user test from 185.199.110.153 port 42639 Jan 20 08:18:31 linux4ai-server sshd[29371]: Failed password for invalid user test from 185.199.110.153 port 42639 ssh2 Jan 20 08:18:31 linux4ai-server sshd[29371]: Connection closed by invalid user test 185.199.110.153 port 42639 [preauth] Jan 20 08:18:33 linux4ai-server sshd[40293]: Failed password for root from 14.1.2.3 port 49600 ssh2 Jan 20 08:18:33 linux4ai-server sshd[40293]: Connection closed by authenticating user root 14.1.2.3 port 49600 [preauth] Jan 20 08:18:42 linux4ai-server sshd[39455]: Invalid user test from 192.168.1.200 port 47953 Jan 20 08:18:42 linux4ai-server sshd[39455]: Failed password for invalid user test from 192.168.1.200 port 47953 ssh2 Jan 20 08:18:42 linux4ai-server sshd[39455]: Connection closed by invalid user test 192.168.1.200 port 47953 [preauth] Jan 20 08:18:45 linux4ai-server sshd[38335]: Invalid user ubnt from 192.168.1.200 port 39059 Jan 20 08:18:45 linux4ai-server sshd[38335]: Failed password for invalid user ubnt from 192.168.1.200 port 39059 ssh2 Jan 20 08:18:45 linux4ai-server sshd[38335]: Connection closed by invalid user ubnt 192.168.1.200 port 39059 [preauth] Jan 20 08:18:49 linux4ai-server sshd[12027]: Failed password for root from 192.168.1.200 port 55132 ssh2 Jan 20 08:18:49 linux4ai-server sshd[12027]: Connection closed by authenticating user root 192.168.1.200 port 55132 [preauth] Jan 20 08:18:58 linux4ai-server sshd[28138]: Connection closed by 192.168.1.200 port 35561 [preauth] Jan 20 08:19:03 linux4ai-server sshd[50645]: Invalid user ubnt from 198.51.100.2 port 64503 Jan 20 08:19:03 linux4ai-server sshd[50645]: Failed password for invalid user ubnt from 198.51.100.2 port 64503 ssh2 Jan 20 08:19:03 linux4ai-server sshd[50645]: Connection closed by invalid user ubnt 198.51.100.2 port 64503 [preauth] Jan 20 08:19:05 linux4ai-server sshd[35352]: Accepted publickey for teacher from 10.0.0.16 port 34188 ssh2 Jan 20 08:19:05 linux4ai-server systemd-logind[731]: New session 7865 of user teacher. Jan 20 08:19:05 linux4ai-server sshd[35352]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:19:05 linux4ai-server sshd[35352]: Disconnected from user teacher 10.0.0.16 port 34188 Jan 20 08:19:05 linux4ai-server sshd[35352]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:19:05 linux4ai-server systemd-logind[731]: Session 7865 logged out. Waiting for processes to exit. Jan 20 08:19:07 linux4ai-server sshd[37856]: Invalid user oracle from 198.51.100.2 port 55416 Jan 20 08:19:07 linux4ai-server sshd[37856]: Failed password for invalid user oracle from 198.51.100.2 port 55416 ssh2 Jan 20 08:19:07 linux4ai-server sshd[37856]: Connection closed by invalid user oracle 198.51.100.2 port 55416 [preauth] Jan 20 08:19:12 linux4ai-server sshd[16354]: Invalid user guest from 192.168.1.200 port 40418 Jan 20 08:19:12 linux4ai-server sshd[16354]: Failed password for invalid user guest from 192.168.1.200 port 40418 ssh2 Jan 20 08:19:12 linux4ai-server sshd[16354]: Connection closed by invalid user guest 192.168.1.200 port 40418 [preauth] Jan 20 08:19:19 linux4ai-server sshd[23460]: Invalid user admin from 198.51.100.2 port 53739 Jan 20 08:19:19 linux4ai-server sshd[23460]: Failed password for invalid user admin from 198.51.100.2 port 53739 ssh2 Jan 20 08:19:19 linux4ai-server sshd[23460]: Connection closed by invalid user admin 198.51.100.2 port 53739 [preauth] Jan 20 08:19:21 linux4ai-server sshd[8955]: Connection closed by 220.181.38.148 port 63474 [preauth] Jan 20 08:19:25 linux4ai-server sshd[30391]: Failed password for root from 203.0.113.5 port 62444 ssh2 Jan 20 08:19:25 linux4ai-server sshd[30391]: Received disconnect from 203.0.113.5 port 62444:11: Bye Bye [preauth] Jan 20 08:19:34 linux4ai-server sshd[42394]: Invalid user support from 192.168.1.200 port 37577 Jan 20 08:19:34 linux4ai-server sshd[42394]: Failed password for invalid user support from 192.168.1.200 port 37577 ssh2 Jan 20 08:19:34 linux4ai-server sshd[42394]: Connection closed by invalid user support 192.168.1.200 port 37577 [preauth] Jan 20 08:19:40 linux4ai-server sshd[6800]: Invalid user root from 185.199.110.153 port 50592 Jan 20 08:19:40 linux4ai-server sshd[6800]: Failed password for invalid user root from 185.199.110.153 port 50592 ssh2 Jan 20 08:19:40 linux4ai-server sshd[6800]: Connection closed by invalid user root 185.199.110.153 port 50592 [preauth] Jan 20 08:19:42 linux4ai-server sshd[17052]: Invalid user postgres from 192.168.1.200 port 60170 Jan 20 08:19:42 linux4ai-server sshd[17052]: Failed password for invalid user postgres from 192.168.1.200 port 60170 ssh2 Jan 20 08:19:42 linux4ai-server sshd[17052]: Connection closed by invalid user postgres 192.168.1.200 port 60170 [preauth] Jan 20 08:19:46 linux4ai-server sshd[8208]: Invalid user oracle from 220.181.38.148 port 49723 Jan 20 08:19:46 linux4ai-server sshd[8208]: Failed password for invalid user oracle from 220.181.38.148 port 49723 ssh2 Jan 20 08:19:46 linux4ai-server sshd[8208]: Connection closed by invalid user oracle 220.181.38.148 port 49723 [preauth] Jan 20 08:19:55 linux4ai-server sshd[15353]: Invalid user admin from 185.199.110.153 port 39258 Jan 20 08:19:55 linux4ai-server sshd[15353]: Failed password for invalid user admin from 185.199.110.153 port 39258 ssh2 Jan 20 08:19:55 linux4ai-server sshd[15353]: Connection closed by invalid user admin 185.199.110.153 port 39258 [preauth] Jan 20 08:20:04 linux4ai-server sshd[2359]: Invalid user ubnt from 45.33.22.11 port 50769 Jan 20 08:20:04 linux4ai-server sshd[2359]: Failed password for invalid user ubnt from 45.33.22.11 port 50769 ssh2 Jan 20 08:20:04 linux4ai-server sshd[2359]: Connection closed by invalid user ubnt 45.33.22.11 port 50769 [preauth] Jan 20 08:20:10 linux4ai-server sshd[43465]: Invalid user admin from 45.33.22.11 port 38741 Jan 20 08:20:10 linux4ai-server sshd[43465]: Failed password for invalid user admin from 45.33.22.11 port 38741 ssh2 Jan 20 08:20:10 linux4ai-server sshd[43465]: Connection closed by invalid user admin 45.33.22.11 port 38741 [preauth] Jan 20 08:20:20 linux4ai-server sshd[33156]: Accepted publickey for teacher from 10.0.0.8 port 62445 ssh2 Jan 20 08:20:20 linux4ai-server systemd-logind[506]: New session 4841 of user teacher. Jan 20 08:20:20 linux4ai-server sshd[33156]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:20:20 linux4ai-server sshd[33156]: Disconnected from user teacher 10.0.0.8 port 62445 Jan 20 08:20:20 linux4ai-server sshd[33156]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:20:20 linux4ai-server systemd-logind[506]: Session 4841 logged out. Waiting for processes to exit. Jan 20 08:20:28 linux4ai-server sshd[44979]: Invalid user guest from 45.33.22.11 port 60644 Jan 20 08:20:28 linux4ai-server sshd[44979]: Failed password for invalid user guest from 45.33.22.11 port 60644 ssh2 Jan 20 08:20:28 linux4ai-server sshd[44979]: Connection closed by invalid user guest 45.33.22.11 port 60644 [preauth] Jan 20 08:20:33 linux4ai-server sshd[5682]: Failed password for root from 192.168.1.200 port 35886 ssh2 Jan 20 08:20:33 linux4ai-server sshd[5682]: Received disconnect from 192.168.1.200 port 35886:11: Bye Bye [preauth] Jan 20 08:20:39 linux4ai-server sshd[42988]: Failed password for root from 198.51.100.2 port 40176 ssh2 Jan 20 08:20:39 linux4ai-server sshd[42988]: Connection closed by authenticating user root 198.51.100.2 port 40176 [preauth] Jan 20 08:20:41 linux4ai-server sshd[37398]: Invalid user support from 203.0.113.5 port 41165 Jan 20 08:20:41 linux4ai-server sshd[37398]: Failed password for invalid user support from 203.0.113.5 port 41165 ssh2 Jan 20 08:20:41 linux4ai-server sshd[37398]: Connection closed by invalid user support 203.0.113.5 port 41165 [preauth] Jan 20 08:20:51 linux4ai-server sshd[58383]: Invalid user mcserver from 203.0.113.5 port 31171 Jan 20 08:20:51 linux4ai-server sshd[58383]: Failed password for invalid user mcserver from 203.0.113.5 port 31171 ssh2 Jan 20 08:20:51 linux4ai-server sshd[58383]: Connection closed by invalid user mcserver 203.0.113.5 port 31171 [preauth] Jan 20 08:20:57 linux4ai-server sshd[42138]: Invalid user admin from 203.0.113.5 port 59942 Jan 20 08:20:57 linux4ai-server sshd[42138]: Failed password for invalid user admin from 203.0.113.5 port 59942 ssh2 Jan 20 08:20:57 linux4ai-server sshd[42138]: Connection closed by invalid user admin 203.0.113.5 port 59942 [preauth] Jan 20 08:21:07 linux4ai-server sshd[47703]: Failed password for root from 45.33.22.11 port 56789 ssh2 Jan 20 08:21:07 linux4ai-server sshd[47703]: Received disconnect from 45.33.22.11 port 56789:11: Bye Bye [preauth] Jan 20 08:21:11 linux4ai-server sshd[48908]: Invalid user root from 185.199.110.153 port 32435 Jan 20 08:21:11 linux4ai-server sshd[48908]: Failed password for invalid user root from 185.199.110.153 port 32435 ssh2 Jan 20 08:21:11 linux4ai-server sshd[48908]: Connection closed by invalid user root 185.199.110.153 port 32435 [preauth] Jan 20 08:21:12 linux4ai-server sshd[40324]: Invalid user ubnt from 192.168.1.200 port 42045 Jan 20 08:21:12 linux4ai-server sshd[40324]: Failed password for invalid user ubnt from 192.168.1.200 port 42045 ssh2 Jan 20 08:21:12 linux4ai-server sshd[40324]: Connection closed by invalid user ubnt 192.168.1.200 port 42045 [preauth] Jan 20 08:21:22 linux4ai-server sshd[29579]: Accepted publickey for huangwei from 192.168.1.104 port 31603 ssh2 Jan 20 08:21:22 linux4ai-server systemd-logind[549]: New session 3344 of user huangwei. Jan 20 08:21:22 linux4ai-server sshd[29579]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:21:22 linux4ai-server sshd[29579]: Disconnected from user huangwei 192.168.1.104 port 31603 Jan 20 08:21:22 linux4ai-server sshd[29579]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:21:22 linux4ai-server systemd-logind[549]: Session 3344 logged out. Waiting for processes to exit. Jan 20 08:21:25 linux4ai-server sshd[39194]: Invalid user ubnt from 45.33.22.11 port 47919 Jan 20 08:21:25 linux4ai-server sshd[39194]: Failed password for invalid user ubnt from 45.33.22.11 port 47919 ssh2 Jan 20 08:21:25 linux4ai-server sshd[39194]: Connection closed by invalid user ubnt 45.33.22.11 port 47919 [preauth] Jan 20 08:21:30 linux4ai-server sshd[3155]: Invalid user ubnt from 45.33.22.11 port 41701 Jan 20 08:21:30 linux4ai-server sshd[3155]: Failed password for invalid user ubnt from 45.33.22.11 port 41701 ssh2 Jan 20 08:21:30 linux4ai-server sshd[3155]: Connection closed by invalid user ubnt 45.33.22.11 port 41701 [preauth] Jan 20 08:21:37 linux4ai-server sshd[49666]: Connection closed by 14.1.2.3 port 52305 [preauth] Jan 20 08:21:45 linux4ai-server sshd[26111]: Invalid user oracle from 192.168.1.200 port 36757 Jan 20 08:21:45 linux4ai-server sshd[26111]: Failed password for invalid user oracle from 192.168.1.200 port 36757 ssh2 Jan 20 08:21:45 linux4ai-server sshd[26111]: Connection closed by invalid user oracle 192.168.1.200 port 36757 [preauth] Jan 20 08:21:49 linux4ai-server sshd[24788]: Invalid user oracle from 192.168.1.200 port 62933 Jan 20 08:21:49 linux4ai-server sshd[24788]: Failed password for invalid user oracle from 192.168.1.200 port 62933 ssh2 Jan 20 08:21:49 linux4ai-server sshd[24788]: Connection closed by invalid user oracle 192.168.1.200 port 62933 [preauth] Jan 20 08:21:53 linux4ai-server sshd[45152]: Invalid user admin from 203.0.113.5 port 56081 Jan 20 08:21:53 linux4ai-server sshd[45152]: Failed password for invalid user admin from 203.0.113.5 port 56081 ssh2 Jan 20 08:21:53 linux4ai-server sshd[45152]: Connection closed by invalid user admin 203.0.113.5 port 56081 [preauth] Jan 20 08:21:56 linux4ai-server sshd[7976]: Invalid user guest from 198.51.100.2 port 64757 Jan 20 08:21:56 linux4ai-server sshd[7976]: Failed password for invalid user guest from 198.51.100.2 port 64757 ssh2 Jan 20 08:21:56 linux4ai-server sshd[7976]: Connection closed by invalid user guest 198.51.100.2 port 64757 [preauth] Jan 20 08:21:58 linux4ai-server sshd[19703]: Invalid user mcserver from 45.33.22.11 port 58220 Jan 20 08:21:58 linux4ai-server sshd[19703]: Failed password for invalid user mcserver from 45.33.22.11 port 58220 ssh2 Jan 20 08:21:58 linux4ai-server sshd[19703]: Connection closed by invalid user mcserver 45.33.22.11 port 58220 [preauth] Jan 20 08:21:59 linux4ai-server sshd[14927]: Connection closed by 14.1.2.3 port 64100 [preauth] Jan 20 08:22:01 linux4ai-server sshd[51219]: Failed password for root from 192.168.1.200 port 37295 ssh2 Jan 20 08:22:01 linux4ai-server sshd[51219]: Connection closed by authenticating user root 192.168.1.200 port 37295 [preauth] Jan 20 08:22:08 linux4ai-server sshd[33594]: Failed password for root from 14.1.2.3 port 55204 ssh2 Jan 20 08:22:08 linux4ai-server sshd[33594]: Received disconnect from 14.1.2.3 port 55204:11: Bye Bye [preauth] Jan 20 08:22:18 linux4ai-server sshd[38488]: Invalid user ubnt from 45.33.22.11 port 37236 Jan 20 08:22:18 linux4ai-server sshd[38488]: Failed password for invalid user ubnt from 45.33.22.11 port 37236 ssh2 Jan 20 08:22:18 linux4ai-server sshd[38488]: Connection closed by invalid user ubnt 45.33.22.11 port 37236 [preauth] Jan 20 08:22:22 linux4ai-server sshd[15221]: Invalid user oracle from 192.168.1.200 port 52682 Jan 20 08:22:22 linux4ai-server sshd[15221]: Failed password for invalid user oracle from 192.168.1.200 port 52682 ssh2 Jan 20 08:22:22 linux4ai-server sshd[15221]: Connection closed by invalid user oracle 192.168.1.200 port 52682 [preauth] Jan 20 08:22:26 linux4ai-server sshd[7610]: Invalid user guest from 192.168.1.200 port 43845 Jan 20 08:22:26 linux4ai-server sshd[7610]: Failed password for invalid user guest from 192.168.1.200 port 43845 ssh2 Jan 20 08:22:26 linux4ai-server sshd[7610]: Connection closed by invalid user guest 192.168.1.200 port 43845 [preauth] Jan 20 08:22:31 linux4ai-server sshd[24553]: Invalid user support from 203.0.113.5 port 42342 Jan 20 08:22:31 linux4ai-server sshd[24553]: Failed password for invalid user support from 203.0.113.5 port 42342 ssh2 Jan 20 08:22:31 linux4ai-server sshd[24553]: Connection closed by invalid user support 203.0.113.5 port 42342 [preauth] Jan 20 08:22:41 linux4ai-server sshd[47851]: Connection closed by 198.51.100.2 port 35072 [preauth] Jan 20 08:22:45 linux4ai-server sshd[44685]: Invalid user guest from 192.168.1.200 port 36198 Jan 20 08:22:45 linux4ai-server sshd[44685]: Failed password for invalid user guest from 192.168.1.200 port 36198 ssh2 Jan 20 08:22:45 linux4ai-server sshd[44685]: Connection closed by invalid user guest 192.168.1.200 port 36198 [preauth] Jan 20 08:22:52 linux4ai-server sshd[15195]: Accepted publickey for ops from 192.168.1.102 port 38863 ssh2 Jan 20 08:22:52 linux4ai-server systemd-logind[854]: New session 5538 of user ops. Jan 20 08:22:52 linux4ai-server sshd[15195]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:22:52 linux4ai-server sshd[15195]: Disconnected from user ops 192.168.1.102 port 38863 Jan 20 08:22:52 linux4ai-server sshd[15195]: pam_unix(sshd:session): session closed for user ops Jan 20 08:22:52 linux4ai-server systemd-logind[854]: Session 5538 logged out. Waiting for processes to exit. Jan 20 08:22:54 linux4ai-server sshd[48467]: Failed password for root from 192.168.1.200 port 48734 ssh2 Jan 20 08:22:54 linux4ai-server sshd[48467]: Connection closed by authenticating user root 192.168.1.200 port 48734 [preauth] Jan 20 08:22:55 linux4ai-server sshd[39975]: Failed password for root from 185.199.110.153 port 36713 ssh2 Jan 20 08:22:55 linux4ai-server sshd[39975]: Received disconnect from 185.199.110.153 port 36713:11: Bye Bye [preauth] Jan 20 08:23:01 linux4ai-server sshd[16822]: Invalid user ubnt from 192.168.1.200 port 61592 Jan 20 08:23:01 linux4ai-server sshd[16822]: Failed password for invalid user ubnt from 192.168.1.200 port 61592 ssh2 Jan 20 08:23:01 linux4ai-server sshd[16822]: Connection closed by invalid user ubnt 192.168.1.200 port 61592 [preauth] Jan 20 08:23:05 linux4ai-server sshd[56144]: Failed password for root from 45.33.22.11 port 33062 ssh2 Jan 20 08:23:05 linux4ai-server sshd[56144]: Received disconnect from 45.33.22.11 port 33062:11: Bye Bye [preauth] Jan 20 08:23:09 linux4ai-server sshd[14075]: Failed password for root from 192.168.1.200 port 43499 ssh2 Jan 20 08:23:09 linux4ai-server sshd[14075]: Connection closed by authenticating user root 192.168.1.200 port 43499 [preauth] Jan 20 08:23:13 linux4ai-server sshd[28967]: Invalid user guest from 203.0.113.5 port 46925 Jan 20 08:23:13 linux4ai-server sshd[28967]: Failed password for invalid user guest from 203.0.113.5 port 46925 ssh2 Jan 20 08:23:13 linux4ai-server sshd[28967]: Connection closed by invalid user guest 203.0.113.5 port 46925 [preauth] Jan 20 08:23:17 linux4ai-server sshd[49967]: Accepted publickey for huangwei from 192.168.1.101 port 49615 ssh2 Jan 20 08:23:17 linux4ai-server systemd-logind[574]: New session 7880 of user huangwei. Jan 20 08:23:17 linux4ai-server sshd[49967]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:23:17 linux4ai-server sshd[49967]: Disconnected from user huangwei 192.168.1.101 port 49615 Jan 20 08:23:17 linux4ai-server sshd[49967]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:23:17 linux4ai-server systemd-logind[574]: Session 7880 logged out. Waiting for processes to exit. Jan 20 08:23:25 linux4ai-server sshd[52581]: Failed password for root from 45.33.22.11 port 58407 ssh2 Jan 20 08:23:25 linux4ai-server sshd[52581]: Received disconnect from 45.33.22.11 port 58407:11: Bye Bye [preauth] Jan 20 08:23:30 linux4ai-server sshd[12223]: Failed password for root from 192.168.1.200 port 61143 ssh2 Jan 20 08:23:30 linux4ai-server sshd[12223]: Connection closed by authenticating user root 192.168.1.200 port 61143 [preauth] Jan 20 08:23:40 linux4ai-server sshd[52016]: Invalid user root from 192.168.1.200 port 34243 Jan 20 08:23:40 linux4ai-server sshd[52016]: Failed password for invalid user root from 192.168.1.200 port 34243 ssh2 Jan 20 08:23:40 linux4ai-server sshd[52016]: Connection closed by invalid user root 192.168.1.200 port 34243 [preauth] Jan 20 08:23:45 linux4ai-server sshd[55278]: Failed password for root from 203.0.113.5 port 63397 ssh2 Jan 20 08:23:45 linux4ai-server sshd[55278]: Received disconnect from 203.0.113.5 port 63397:11: Bye Bye [preauth] Jan 20 08:23:54 linux4ai-server sshd[7219]: Invalid user postgres from 45.33.22.11 port 50118 Jan 20 08:23:54 linux4ai-server sshd[7219]: Failed password for invalid user postgres from 45.33.22.11 port 50118 ssh2 Jan 20 08:23:54 linux4ai-server sshd[7219]: Connection closed by invalid user postgres 45.33.22.11 port 50118 [preauth] Jan 20 08:24:03 linux4ai-server sshd[37701]: Invalid user root from 192.168.1.200 port 47605 Jan 20 08:24:03 linux4ai-server sshd[37701]: Failed password for invalid user root from 192.168.1.200 port 47605 ssh2 Jan 20 08:24:03 linux4ai-server sshd[37701]: Connection closed by invalid user root 192.168.1.200 port 47605 [preauth] Jan 20 08:24:08 linux4ai-server sshd[41171]: Invalid user guest from 45.33.22.11 port 44643 Jan 20 08:24:08 linux4ai-server sshd[41171]: Failed password for invalid user guest from 45.33.22.11 port 44643 ssh2 Jan 20 08:24:08 linux4ai-server sshd[41171]: Connection closed by invalid user guest 45.33.22.11 port 44643 [preauth] Jan 20 08:24:12 linux4ai-server sshd[54776]: Invalid user test from 203.0.113.5 port 32716 Jan 20 08:24:12 linux4ai-server sshd[54776]: Failed password for invalid user test from 203.0.113.5 port 32716 ssh2 Jan 20 08:24:12 linux4ai-server sshd[54776]: Connection closed by invalid user test 203.0.113.5 port 32716 [preauth] Jan 20 08:24:19 linux4ai-server sshd[37239]: Accepted publickey for dev from 10.0.0.6 port 35091 ssh2 Jan 20 08:24:19 linux4ai-server systemd-logind[696]: New session 2188 of user dev. Jan 20 08:24:19 linux4ai-server sshd[37239]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:24:19 linux4ai-server sshd[37239]: Disconnected from user dev 10.0.0.6 port 35091 Jan 20 08:24:19 linux4ai-server sshd[37239]: pam_unix(sshd:session): session closed for user dev Jan 20 08:24:19 linux4ai-server systemd-logind[696]: Session 2188 logged out. Waiting for processes to exit. Jan 20 08:24:27 linux4ai-server sshd[45468]: Accepted publickey for student from 192.168.1.111 port 33234 ssh2 Jan 20 08:24:27 linux4ai-server systemd-logind[504]: New session 507 of user student. Jan 20 08:24:27 linux4ai-server sshd[45468]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:24:27 linux4ai-server sshd[45468]: Disconnected from user student 192.168.1.111 port 33234 Jan 20 08:24:27 linux4ai-server sshd[45468]: pam_unix(sshd:session): session closed for user student Jan 20 08:24:27 linux4ai-server systemd-logind[504]: Session 507 logged out. Waiting for processes to exit. Jan 20 08:24:30 linux4ai-server sshd[31705]: Invalid user guest from 198.51.100.2 port 39805 Jan 20 08:24:30 linux4ai-server sshd[31705]: Failed password for invalid user guest from 198.51.100.2 port 39805 ssh2 Jan 20 08:24:30 linux4ai-server sshd[31705]: Connection closed by invalid user guest 198.51.100.2 port 39805 [preauth] Jan 20 08:24:34 linux4ai-server sshd[29040]: Failed password for root from 185.199.110.153 port 32341 ssh2 Jan 20 08:24:34 linux4ai-server sshd[29040]: Received disconnect from 185.199.110.153 port 32341:11: Bye Bye [preauth] Jan 20 08:24:39 linux4ai-server sshd[54014]: Failed password for root from 192.168.1.200 port 43934 ssh2 Jan 20 08:24:39 linux4ai-server sshd[54014]: Connection closed by authenticating user root 192.168.1.200 port 43934 [preauth] Jan 20 08:24:49 linux4ai-server sshd[48913]: Accepted publickey for dev from 192.168.1.116 port 57706 ssh2 Jan 20 08:24:49 linux4ai-server systemd-logind[664]: New session 6059 of user dev. Jan 20 08:24:49 linux4ai-server sshd[48913]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:24:49 linux4ai-server sshd[48913]: Disconnected from user dev 192.168.1.116 port 57706 Jan 20 08:24:49 linux4ai-server sshd[48913]: pam_unix(sshd:session): session closed for user dev Jan 20 08:24:49 linux4ai-server systemd-logind[664]: Session 6059 logged out. Waiting for processes to exit. Jan 20 08:24:59 linux4ai-server sshd[19218]: Invalid user ubnt from 45.33.22.11 port 54360 Jan 20 08:24:59 linux4ai-server sshd[19218]: Failed password for invalid user ubnt from 45.33.22.11 port 54360 ssh2 Jan 20 08:24:59 linux4ai-server sshd[19218]: Connection closed by invalid user ubnt 45.33.22.11 port 54360 [preauth] Jan 20 08:25:03 linux4ai-server sshd[33099]: Invalid user root from 185.199.110.153 port 38574 Jan 20 08:25:03 linux4ai-server sshd[33099]: Failed password for invalid user root from 185.199.110.153 port 38574 ssh2 Jan 20 08:25:03 linux4ai-server sshd[33099]: Connection closed by invalid user root 185.199.110.153 port 38574 [preauth] Jan 20 08:25:09 linux4ai-server sshd[29753]: Invalid user ubnt from 192.168.1.200 port 40157 Jan 20 08:25:09 linux4ai-server sshd[29753]: Failed password for invalid user ubnt from 192.168.1.200 port 40157 ssh2 Jan 20 08:25:09 linux4ai-server sshd[29753]: Connection closed by invalid user ubnt 192.168.1.200 port 40157 [preauth] Jan 20 08:25:11 linux4ai-server sshd[15281]: Invalid user test from 185.199.110.153 port 51148 Jan 20 08:25:11 linux4ai-server sshd[15281]: Failed password for invalid user test from 185.199.110.153 port 51148 ssh2 Jan 20 08:25:11 linux4ai-server sshd[15281]: Connection closed by invalid user test 185.199.110.153 port 51148 [preauth] Jan 20 08:25:15 linux4ai-server sshd[43308]: Invalid user mcserver from 185.199.110.153 port 56722 Jan 20 08:25:15 linux4ai-server sshd[43308]: Failed password for invalid user mcserver from 185.199.110.153 port 56722 ssh2 Jan 20 08:25:15 linux4ai-server sshd[43308]: Connection closed by invalid user mcserver 185.199.110.153 port 56722 [preauth] Jan 20 08:25:23 linux4ai-server sshd[36709]: Accepted publickey for teacher from 10.0.0.14 port 47320 ssh2 Jan 20 08:25:23 linux4ai-server systemd-logind[530]: New session 2788 of user teacher. Jan 20 08:25:23 linux4ai-server sshd[36709]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:25:23 linux4ai-server sshd[36709]: Disconnected from user teacher 10.0.0.14 port 47320 Jan 20 08:25:23 linux4ai-server sshd[36709]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:25:23 linux4ai-server systemd-logind[530]: Session 2788 logged out. Waiting for processes to exit. Jan 20 08:25:25 linux4ai-server sshd[9915]: Failed password for root from 192.168.1.200 port 63223 ssh2 Jan 20 08:25:25 linux4ai-server sshd[9915]: Connection closed by authenticating user root 192.168.1.200 port 63223 [preauth] Jan 20 08:25:28 linux4ai-server sshd[7060]: Invalid user admin from 192.168.1.200 port 50921 Jan 20 08:25:28 linux4ai-server sshd[7060]: Failed password for invalid user admin from 192.168.1.200 port 50921 ssh2 Jan 20 08:25:28 linux4ai-server sshd[7060]: Connection closed by invalid user admin 192.168.1.200 port 50921 [preauth] Jan 20 08:25:37 linux4ai-server sshd[27115]: Invalid user test from 45.33.22.11 port 33267 Jan 20 08:25:37 linux4ai-server sshd[27115]: Failed password for invalid user test from 45.33.22.11 port 33267 ssh2 Jan 20 08:25:37 linux4ai-server sshd[27115]: Connection closed by invalid user test 45.33.22.11 port 33267 [preauth] Jan 20 08:25:43 linux4ai-server sshd[8755]: Failed password for root from 192.168.1.200 port 63227 ssh2 Jan 20 08:25:43 linux4ai-server sshd[8755]: Connection closed by authenticating user root 192.168.1.200 port 63227 [preauth] Jan 20 08:25:51 linux4ai-server sshd[56009]: Invalid user ubnt from 185.199.110.153 port 49704 Jan 20 08:25:51 linux4ai-server sshd[56009]: Failed password for invalid user ubnt from 185.199.110.153 port 49704 ssh2 Jan 20 08:25:51 linux4ai-server sshd[56009]: Connection closed by invalid user ubnt 185.199.110.153 port 49704 [preauth] Jan 20 08:25:55 linux4ai-server sshd[46500]: Invalid user mcserver from 14.1.2.3 port 47017 Jan 20 08:25:55 linux4ai-server sshd[46500]: Failed password for invalid user mcserver from 14.1.2.3 port 47017 ssh2 Jan 20 08:25:55 linux4ai-server sshd[46500]: Connection closed by invalid user mcserver 14.1.2.3 port 47017 [preauth] Jan 20 08:26:04 linux4ai-server sshd[4323]: Invalid user admin from 192.168.1.200 port 44738 Jan 20 08:26:04 linux4ai-server sshd[4323]: Failed password for invalid user admin from 192.168.1.200 port 44738 ssh2 Jan 20 08:26:04 linux4ai-server sshd[4323]: Connection closed by invalid user admin 192.168.1.200 port 44738 [preauth] Jan 20 08:26:10 linux4ai-server sshd[6517]: Invalid user root from 192.168.1.200 port 54285 Jan 20 08:26:10 linux4ai-server sshd[6517]: Failed password for invalid user root from 192.168.1.200 port 54285 ssh2 Jan 20 08:26:10 linux4ai-server sshd[6517]: Connection closed by invalid user root 192.168.1.200 port 54285 [preauth] Jan 20 08:26:14 linux4ai-server sshd[59002]: Connection closed by 45.33.22.11 port 52741 [preauth] Jan 20 08:26:22 linux4ai-server sshd[18695]: Connection closed by 192.168.1.200 port 43861 [preauth] Jan 20 08:26:28 linux4ai-server sshd[15712]: Invalid user postgres from 14.1.2.3 port 56786 Jan 20 08:26:28 linux4ai-server sshd[15712]: Failed password for invalid user postgres from 14.1.2.3 port 56786 ssh2 Jan 20 08:26:28 linux4ai-server sshd[15712]: Connection closed by invalid user postgres 14.1.2.3 port 56786 [preauth] Jan 20 08:26:36 linux4ai-server sshd[47579]: Failed password for root from 198.51.100.2 port 33668 ssh2 Jan 20 08:26:36 linux4ai-server sshd[47579]: Received disconnect from 198.51.100.2 port 33668:11: Bye Bye [preauth] Jan 20 08:26:42 linux4ai-server sshd[7871]: Connection closed by 185.199.110.153 port 56805 [preauth] Jan 20 08:26:44 linux4ai-server sshd[9845]: Invalid user root from 192.168.1.200 port 31188 Jan 20 08:26:44 linux4ai-server sshd[9845]: Failed password for invalid user root from 192.168.1.200 port 31188 ssh2 Jan 20 08:26:44 linux4ai-server sshd[9845]: Connection closed by invalid user root 192.168.1.200 port 31188 [preauth] Jan 20 08:26:52 linux4ai-server sshd[49789]: Invalid user support from 192.168.1.200 port 55550 Jan 20 08:26:52 linux4ai-server sshd[49789]: Failed password for invalid user support from 192.168.1.200 port 55550 ssh2 Jan 20 08:26:52 linux4ai-server sshd[49789]: Connection closed by invalid user support 192.168.1.200 port 55550 [preauth] Jan 20 08:27:02 linux4ai-server sshd[2236]: Failed password for root from 45.33.22.11 port 35898 ssh2 Jan 20 08:27:02 linux4ai-server sshd[2236]: Received disconnect from 45.33.22.11 port 35898:11: Bye Bye [preauth] Jan 20 08:27:03 linux4ai-server sshd[20417]: Accepted publickey for dev from 192.168.1.115 port 64141 ssh2 Jan 20 08:27:03 linux4ai-server systemd-logind[741]: New session 110 of user dev. Jan 20 08:27:03 linux4ai-server sshd[20417]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:27:03 linux4ai-server sshd[20417]: Disconnected from user dev 192.168.1.115 port 64141 Jan 20 08:27:03 linux4ai-server sshd[20417]: pam_unix(sshd:session): session closed for user dev Jan 20 08:27:03 linux4ai-server systemd-logind[741]: Session 110 logged out. Waiting for processes to exit. Jan 20 08:27:09 linux4ai-server sshd[6179]: Failed password for root from 198.51.100.2 port 61392 ssh2 Jan 20 08:27:09 linux4ai-server sshd[6179]: Received disconnect from 198.51.100.2 port 61392:11: Bye Bye [preauth] Jan 20 08:27:18 linux4ai-server sshd[6254]: Accepted publickey for dev from 192.168.1.106 port 62525 ssh2 Jan 20 08:27:18 linux4ai-server systemd-logind[555]: New session 3955 of user dev. Jan 20 08:27:18 linux4ai-server sshd[6254]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:27:18 linux4ai-server sshd[6254]: Disconnected from user dev 192.168.1.106 port 62525 Jan 20 08:27:18 linux4ai-server sshd[6254]: pam_unix(sshd:session): session closed for user dev Jan 20 08:27:18 linux4ai-server systemd-logind[555]: Session 3955 logged out. Waiting for processes to exit. Jan 20 08:27:23 linux4ai-server sshd[56987]: Failed password for root from 203.0.113.5 port 48094 ssh2 Jan 20 08:27:23 linux4ai-server sshd[56987]: Connection closed by authenticating user root 203.0.113.5 port 48094 [preauth] Jan 20 08:27:29 linux4ai-server sshd[18452]: Connection closed by 203.0.113.5 port 52391 [preauth] Jan 20 08:27:35 linux4ai-server sshd[30547]: Accepted publickey for huangwei from 10.0.0.1 port 36034 ssh2 Jan 20 08:27:35 linux4ai-server systemd-logind[858]: New session 3521 of user huangwei. Jan 20 08:27:35 linux4ai-server sshd[30547]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:27:35 linux4ai-server sshd[30547]: Disconnected from user huangwei 10.0.0.1 port 36034 Jan 20 08:27:35 linux4ai-server sshd[30547]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:27:35 linux4ai-server systemd-logind[858]: Session 3521 logged out. Waiting for processes to exit. Jan 20 08:27:44 linux4ai-server sshd[57447]: Invalid user root from 203.0.113.5 port 50140 Jan 20 08:27:44 linux4ai-server sshd[57447]: Failed password for invalid user root from 203.0.113.5 port 50140 ssh2 Jan 20 08:27:44 linux4ai-server sshd[57447]: Connection closed by invalid user root 203.0.113.5 port 50140 [preauth] Jan 20 08:27:53 linux4ai-server sshd[22231]: Invalid user guest from 203.0.113.5 port 39148 Jan 20 08:27:53 linux4ai-server sshd[22231]: Failed password for invalid user guest from 203.0.113.5 port 39148 ssh2 Jan 20 08:27:53 linux4ai-server sshd[22231]: Connection closed by invalid user guest 203.0.113.5 port 39148 [preauth] Jan 20 08:28:03 linux4ai-server sshd[11283]: Invalid user ubnt from 192.168.1.200 port 46976 Jan 20 08:28:03 linux4ai-server sshd[11283]: Failed password for invalid user ubnt from 192.168.1.200 port 46976 ssh2 Jan 20 08:28:03 linux4ai-server sshd[11283]: Connection closed by invalid user ubnt 192.168.1.200 port 46976 [preauth] Jan 20 08:28:04 linux4ai-server sshd[16342]: Accepted publickey for student from 192.168.1.118 port 64673 ssh2 Jan 20 08:28:04 linux4ai-server systemd-logind[656]: New session 675 of user student. Jan 20 08:28:04 linux4ai-server sshd[16342]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:28:04 linux4ai-server sshd[16342]: Disconnected from user student 192.168.1.118 port 64673 Jan 20 08:28:04 linux4ai-server sshd[16342]: pam_unix(sshd:session): session closed for user student Jan 20 08:28:04 linux4ai-server systemd-logind[656]: Session 675 logged out. Waiting for processes to exit. Jan 20 08:28:14 linux4ai-server sshd[3144]: Failed password for root from 192.168.1.200 port 58390 ssh2 Jan 20 08:28:14 linux4ai-server sshd[3144]: Connection closed by authenticating user root 192.168.1.200 port 58390 [preauth] Jan 20 08:28:18 linux4ai-server sshd[53389]: Failed password for root from 192.168.1.200 port 33802 ssh2 Jan 20 08:28:18 linux4ai-server sshd[53389]: Received disconnect from 192.168.1.200 port 33802:11: Bye Bye [preauth] Jan 20 08:28:25 linux4ai-server sshd[46798]: Invalid user postgres from 45.33.22.11 port 50234 Jan 20 08:28:25 linux4ai-server sshd[46798]: Failed password for invalid user postgres from 45.33.22.11 port 50234 ssh2 Jan 20 08:28:25 linux4ai-server sshd[46798]: Connection closed by invalid user postgres 45.33.22.11 port 50234 [preauth] Jan 20 08:28:34 linux4ai-server sshd[21494]: Invalid user test from 45.33.22.11 port 55229 Jan 20 08:28:34 linux4ai-server sshd[21494]: Failed password for invalid user test from 45.33.22.11 port 55229 ssh2 Jan 20 08:28:34 linux4ai-server sshd[21494]: Connection closed by invalid user test 45.33.22.11 port 55229 [preauth] Jan 20 08:28:38 linux4ai-server sshd[32222]: Accepted publickey for huangwei from 10.0.0.15 port 43128 ssh2 Jan 20 08:28:38 linux4ai-server systemd-logind[896]: New session 7372 of user huangwei. Jan 20 08:28:38 linux4ai-server sshd[32222]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:28:38 linux4ai-server sshd[32222]: Disconnected from user huangwei 10.0.0.15 port 43128 Jan 20 08:28:38 linux4ai-server sshd[32222]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:28:38 linux4ai-server systemd-logind[896]: Session 7372 logged out. Waiting for processes to exit. Jan 20 08:28:46 linux4ai-server sshd[7193]: Connection closed by 185.199.110.153 port 48669 [preauth] Jan 20 08:28:50 linux4ai-server sshd[52332]: Invalid user root from 192.168.1.200 port 64041 Jan 20 08:28:50 linux4ai-server sshd[52332]: Failed password for invalid user root from 192.168.1.200 port 64041 ssh2 Jan 20 08:28:50 linux4ai-server sshd[52332]: Connection closed by invalid user root 192.168.1.200 port 64041 [preauth] Jan 20 08:29:00 linux4ai-server sshd[45271]: Connection closed by 192.168.1.200 port 62658 [preauth] Jan 20 08:29:06 linux4ai-server sshd[23064]: Failed password for root from 45.33.22.11 port 53770 ssh2 Jan 20 08:29:06 linux4ai-server sshd[23064]: Received disconnect from 45.33.22.11 port 53770:11: Bye Bye [preauth] Jan 20 08:29:10 linux4ai-server sshd[43020]: Failed password for root from 198.51.100.2 port 48988 ssh2 Jan 20 08:29:10 linux4ai-server sshd[43020]: Connection closed by authenticating user root 198.51.100.2 port 48988 [preauth] Jan 20 08:29:11 linux4ai-server sshd[16060]: Invalid user admin from 185.199.110.153 port 39211 Jan 20 08:29:11 linux4ai-server sshd[16060]: Failed password for invalid user admin from 185.199.110.153 port 39211 ssh2 Jan 20 08:29:11 linux4ai-server sshd[16060]: Connection closed by invalid user admin 185.199.110.153 port 39211 [preauth] Jan 20 08:29:18 linux4ai-server sshd[20043]: Invalid user support from 45.33.22.11 port 58194 Jan 20 08:29:18 linux4ai-server sshd[20043]: Failed password for invalid user support from 45.33.22.11 port 58194 ssh2 Jan 20 08:29:18 linux4ai-server sshd[20043]: Connection closed by invalid user support 45.33.22.11 port 58194 [preauth] Jan 20 08:29:24 linux4ai-server sshd[50323]: Accepted publickey for student from 10.0.0.12 port 48225 ssh2 Jan 20 08:29:24 linux4ai-server systemd-logind[794]: New session 7023 of user student. Jan 20 08:29:24 linux4ai-server sshd[50323]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:29:24 linux4ai-server sshd[50323]: Disconnected from user student 10.0.0.12 port 48225 Jan 20 08:29:24 linux4ai-server sshd[50323]: pam_unix(sshd:session): session closed for user student Jan 20 08:29:24 linux4ai-server systemd-logind[794]: Session 7023 logged out. Waiting for processes to exit. Jan 20 08:29:33 linux4ai-server sshd[21048]: Accepted publickey for ops from 192.168.1.111 port 30312 ssh2 Jan 20 08:29:33 linux4ai-server systemd-logind[503]: New session 5972 of user ops. Jan 20 08:29:33 linux4ai-server sshd[21048]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:29:33 linux4ai-server sshd[21048]: Disconnected from user ops 192.168.1.111 port 30312 Jan 20 08:29:33 linux4ai-server sshd[21048]: pam_unix(sshd:session): session closed for user ops Jan 20 08:29:33 linux4ai-server systemd-logind[503]: Session 5972 logged out. Waiting for processes to exit. Jan 20 08:29:41 linux4ai-server sshd[19376]: Invalid user test from 203.0.113.5 port 41744 Jan 20 08:29:41 linux4ai-server sshd[19376]: Failed password for invalid user test from 203.0.113.5 port 41744 ssh2 Jan 20 08:29:41 linux4ai-server sshd[19376]: Connection closed by invalid user test 203.0.113.5 port 41744 [preauth] Jan 20 08:29:45 linux4ai-server sshd[22659]: Accepted publickey for dev from 192.168.1.113 port 44200 ssh2 Jan 20 08:29:45 linux4ai-server systemd-logind[748]: New session 4141 of user dev. Jan 20 08:29:45 linux4ai-server sshd[22659]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:29:45 linux4ai-server sshd[22659]: Disconnected from user dev 192.168.1.113 port 44200 Jan 20 08:29:45 linux4ai-server sshd[22659]: pam_unix(sshd:session): session closed for user dev Jan 20 08:29:45 linux4ai-server systemd-logind[748]: Session 4141 logged out. Waiting for processes to exit. Jan 20 08:29:48 linux4ai-server sshd[55708]: Accepted publickey for student from 10.0.0.17 port 58326 ssh2 Jan 20 08:29:48 linux4ai-server systemd-logind[810]: New session 4842 of user student. Jan 20 08:29:48 linux4ai-server sshd[55708]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:29:48 linux4ai-server sshd[55708]: Disconnected from user student 10.0.0.17 port 58326 Jan 20 08:29:48 linux4ai-server sshd[55708]: pam_unix(sshd:session): session closed for user student Jan 20 08:29:48 linux4ai-server systemd-logind[810]: Session 4842 logged out. Waiting for processes to exit. Jan 20 08:29:49 linux4ai-server sshd[17416]: Invalid user mcserver from 185.199.110.153 port 63003 Jan 20 08:29:49 linux4ai-server sshd[17416]: Failed password for invalid user mcserver from 185.199.110.153 port 63003 ssh2 Jan 20 08:29:49 linux4ai-server sshd[17416]: Connection closed by invalid user mcserver 185.199.110.153 port 63003 [preauth] Jan 20 08:29:56 linux4ai-server sshd[44329]: Failed password for root from 192.168.1.200 port 60041 ssh2 Jan 20 08:29:56 linux4ai-server sshd[44329]: Received disconnect from 192.168.1.200 port 60041:11: Bye Bye [preauth] Jan 20 08:30:04 linux4ai-server sshd[58716]: Accepted publickey for ops from 10.0.0.4 port 51565 ssh2 Jan 20 08:30:04 linux4ai-server systemd-logind[743]: New session 6981 of user ops. Jan 20 08:30:04 linux4ai-server sshd[58716]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:30:04 linux4ai-server sshd[58716]: Disconnected from user ops 10.0.0.4 port 51565 Jan 20 08:30:04 linux4ai-server sshd[58716]: pam_unix(sshd:session): session closed for user ops Jan 20 08:30:04 linux4ai-server systemd-logind[743]: Session 6981 logged out. Waiting for processes to exit. Jan 20 08:30:07 linux4ai-server sshd[55732]: Invalid user ubnt from 192.168.1.200 port 49472 Jan 20 08:30:07 linux4ai-server sshd[55732]: Failed password for invalid user ubnt from 192.168.1.200 port 49472 ssh2 Jan 20 08:30:07 linux4ai-server sshd[55732]: Connection closed by invalid user ubnt 192.168.1.200 port 49472 [preauth] Jan 20 08:30:09 linux4ai-server sshd[33871]: Invalid user root from 192.168.1.200 port 58204 Jan 20 08:30:09 linux4ai-server sshd[33871]: Failed password for invalid user root from 192.168.1.200 port 58204 ssh2 Jan 20 08:30:09 linux4ai-server sshd[33871]: Connection closed by invalid user root 192.168.1.200 port 58204 [preauth] Jan 20 08:30:16 linux4ai-server sshd[43817]: Accepted publickey for ops from 10.0.0.9 port 48317 ssh2 Jan 20 08:30:16 linux4ai-server systemd-logind[847]: New session 5963 of user ops. Jan 20 08:30:16 linux4ai-server sshd[43817]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:30:16 linux4ai-server sshd[43817]: Disconnected from user ops 10.0.0.9 port 48317 Jan 20 08:30:16 linux4ai-server sshd[43817]: pam_unix(sshd:session): session closed for user ops Jan 20 08:30:16 linux4ai-server systemd-logind[847]: Session 5963 logged out. Waiting for processes to exit. Jan 20 08:30:19 linux4ai-server sshd[45229]: Failed password for root from 203.0.113.5 port 51710 ssh2 Jan 20 08:30:19 linux4ai-server sshd[45229]: Received disconnect from 203.0.113.5 port 51710:11: Bye Bye [preauth] Jan 20 08:30:26 linux4ai-server sshd[4193]: Invalid user admin from 185.199.110.153 port 30100 Jan 20 08:30:26 linux4ai-server sshd[4193]: Failed password for invalid user admin from 185.199.110.153 port 30100 ssh2 Jan 20 08:30:26 linux4ai-server sshd[4193]: Connection closed by invalid user admin 185.199.110.153 port 30100 [preauth] Jan 20 08:30:36 linux4ai-server sshd[25263]: Invalid user support from 185.199.110.153 port 33422 Jan 20 08:30:36 linux4ai-server sshd[25263]: Failed password for invalid user support from 185.199.110.153 port 33422 ssh2 Jan 20 08:30:36 linux4ai-server sshd[25263]: Connection closed by invalid user support 185.199.110.153 port 33422 [preauth] Jan 20 08:30:43 linux4ai-server sshd[50545]: Invalid user test from 192.168.1.200 port 61451 Jan 20 08:30:43 linux4ai-server sshd[50545]: Failed password for invalid user test from 192.168.1.200 port 61451 ssh2 Jan 20 08:30:43 linux4ai-server sshd[50545]: Connection closed by invalid user test 192.168.1.200 port 61451 [preauth] Jan 20 08:30:53 linux4ai-server sshd[56071]: Invalid user oracle from 203.0.113.5 port 61901 Jan 20 08:30:53 linux4ai-server sshd[56071]: Failed password for invalid user oracle from 203.0.113.5 port 61901 ssh2 Jan 20 08:30:53 linux4ai-server sshd[56071]: Connection closed by invalid user oracle 203.0.113.5 port 61901 [preauth] Jan 20 08:30:58 linux4ai-server sshd[52299]: Accepted publickey for dev from 192.168.1.106 port 55434 ssh2 Jan 20 08:30:58 linux4ai-server systemd-logind[566]: New session 8055 of user dev. Jan 20 08:30:58 linux4ai-server sshd[52299]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:30:58 linux4ai-server sshd[52299]: Disconnected from user dev 192.168.1.106 port 55434 Jan 20 08:30:58 linux4ai-server sshd[52299]: pam_unix(sshd:session): session closed for user dev Jan 20 08:30:58 linux4ai-server systemd-logind[566]: Session 8055 logged out. Waiting for processes to exit. Jan 20 08:31:01 linux4ai-server sshd[3251]: Accepted publickey for student from 10.0.0.1 port 55905 ssh2 Jan 20 08:31:01 linux4ai-server systemd-logind[610]: New session 5559 of user student. Jan 20 08:31:01 linux4ai-server sshd[3251]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:31:01 linux4ai-server sshd[3251]: Disconnected from user student 10.0.0.1 port 55905 Jan 20 08:31:01 linux4ai-server sshd[3251]: pam_unix(sshd:session): session closed for user student Jan 20 08:31:01 linux4ai-server systemd-logind[610]: Session 5559 logged out. Waiting for processes to exit. Jan 20 08:31:03 linux4ai-server sshd[34448]: Connection closed by 185.199.110.153 port 58879 [preauth] Jan 20 08:31:06 linux4ai-server sshd[6743]: Invalid user admin from 14.1.2.3 port 60745 Jan 20 08:31:06 linux4ai-server sshd[6743]: Failed password for invalid user admin from 14.1.2.3 port 60745 ssh2 Jan 20 08:31:06 linux4ai-server sshd[6743]: Connection closed by invalid user admin 14.1.2.3 port 60745 [preauth] Jan 20 08:31:10 linux4ai-server sshd[46040]: Failed password for root from 192.168.1.200 port 56094 ssh2 Jan 20 08:31:10 linux4ai-server sshd[46040]: Received disconnect from 192.168.1.200 port 56094:11: Bye Bye [preauth] Jan 20 08:31:18 linux4ai-server sshd[25313]: Invalid user ubnt from 45.33.22.11 port 57864 Jan 20 08:31:18 linux4ai-server sshd[25313]: Failed password for invalid user ubnt from 45.33.22.11 port 57864 ssh2 Jan 20 08:31:18 linux4ai-server sshd[25313]: Connection closed by invalid user ubnt 45.33.22.11 port 57864 [preauth] Jan 20 08:31:23 linux4ai-server sshd[4493]: Accepted publickey for dev from 192.168.1.117 port 53821 ssh2 Jan 20 08:31:23 linux4ai-server systemd-logind[731]: New session 4089 of user dev. Jan 20 08:31:23 linux4ai-server sshd[4493]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:31:23 linux4ai-server sshd[4493]: Disconnected from user dev 192.168.1.117 port 53821 Jan 20 08:31:23 linux4ai-server sshd[4493]: pam_unix(sshd:session): session closed for user dev Jan 20 08:31:23 linux4ai-server systemd-logind[731]: Session 4089 logged out. Waiting for processes to exit. Jan 20 08:31:33 linux4ai-server sshd[9761]: Failed password for root from 192.168.1.200 port 46249 ssh2 Jan 20 08:31:33 linux4ai-server sshd[9761]: Received disconnect from 192.168.1.200 port 46249:11: Bye Bye [preauth] Jan 20 08:31:36 linux4ai-server sshd[1683]: Invalid user admin from 45.33.22.11 port 43440 Jan 20 08:31:36 linux4ai-server sshd[1683]: Failed password for invalid user admin from 45.33.22.11 port 43440 ssh2 Jan 20 08:31:36 linux4ai-server sshd[1683]: Connection closed by invalid user admin 45.33.22.11 port 43440 [preauth] Jan 20 08:31:40 linux4ai-server sshd[15499]: Failed password for root from 14.1.2.3 port 39207 ssh2 Jan 20 08:31:40 linux4ai-server sshd[15499]: Received disconnect from 14.1.2.3 port 39207:11: Bye Bye [preauth] Jan 20 08:31:43 linux4ai-server sshd[19841]: Invalid user admin from 185.199.110.153 port 63368 Jan 20 08:31:43 linux4ai-server sshd[19841]: Failed password for invalid user admin from 185.199.110.153 port 63368 ssh2 Jan 20 08:31:43 linux4ai-server sshd[19841]: Connection closed by invalid user admin 185.199.110.153 port 63368 [preauth] Jan 20 08:31:53 linux4ai-server sshd[56358]: Invalid user admin from 45.33.22.11 port 41082 Jan 20 08:31:53 linux4ai-server sshd[56358]: Failed password for invalid user admin from 45.33.22.11 port 41082 ssh2 Jan 20 08:31:53 linux4ai-server sshd[56358]: Connection closed by invalid user admin 45.33.22.11 port 41082 [preauth] Jan 20 08:31:54 linux4ai-server sshd[14845]: Invalid user ubnt from 203.0.113.5 port 37261 Jan 20 08:31:54 linux4ai-server sshd[14845]: Failed password for invalid user ubnt from 203.0.113.5 port 37261 ssh2 Jan 20 08:31:54 linux4ai-server sshd[14845]: Connection closed by invalid user ubnt 203.0.113.5 port 37261 [preauth] Jan 20 08:32:00 linux4ai-server sshd[32646]: Accepted publickey for dev from 10.0.0.8 port 36181 ssh2 Jan 20 08:32:00 linux4ai-server systemd-logind[687]: New session 8425 of user dev. Jan 20 08:32:00 linux4ai-server sshd[32646]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:32:00 linux4ai-server sshd[32646]: Disconnected from user dev 10.0.0.8 port 36181 Jan 20 08:32:00 linux4ai-server sshd[32646]: pam_unix(sshd:session): session closed for user dev Jan 20 08:32:00 linux4ai-server systemd-logind[687]: Session 8425 logged out. Waiting for processes to exit. Jan 20 08:32:05 linux4ai-server sshd[29766]: Invalid user test from 192.168.1.200 port 49059 Jan 20 08:32:05 linux4ai-server sshd[29766]: Failed password for invalid user test from 192.168.1.200 port 49059 ssh2 Jan 20 08:32:05 linux4ai-server sshd[29766]: Connection closed by invalid user test 192.168.1.200 port 49059 [preauth] Jan 20 08:32:10 linux4ai-server sshd[15008]: Failed password for root from 192.168.1.200 port 57347 ssh2 Jan 20 08:32:10 linux4ai-server sshd[15008]: Connection closed by authenticating user root 192.168.1.200 port 57347 [preauth] Jan 20 08:32:15 linux4ai-server sshd[28223]: Failed password for root from 192.168.1.200 port 31256 ssh2 Jan 20 08:32:15 linux4ai-server sshd[28223]: Received disconnect from 192.168.1.200 port 31256:11: Bye Bye [preauth] Jan 20 08:32:19 linux4ai-server sshd[6546]: Accepted publickey for huangwei from 10.0.0.12 port 64001 ssh2 Jan 20 08:32:19 linux4ai-server systemd-logind[553]: New session 2355 of user huangwei. Jan 20 08:32:19 linux4ai-server sshd[6546]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:32:19 linux4ai-server sshd[6546]: Disconnected from user huangwei 10.0.0.12 port 64001 Jan 20 08:32:19 linux4ai-server sshd[6546]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:32:19 linux4ai-server systemd-logind[553]: Session 2355 logged out. Waiting for processes to exit. Jan 20 08:32:27 linux4ai-server sshd[2879]: Invalid user oracle from 185.199.110.153 port 37912 Jan 20 08:32:27 linux4ai-server sshd[2879]: Failed password for invalid user oracle from 185.199.110.153 port 37912 ssh2 Jan 20 08:32:27 linux4ai-server sshd[2879]: Connection closed by invalid user oracle 185.199.110.153 port 37912 [preauth] Jan 20 08:32:31 linux4ai-server sshd[36761]: Failed password for root from 45.33.22.11 port 43699 ssh2 Jan 20 08:32:31 linux4ai-server sshd[36761]: Received disconnect from 45.33.22.11 port 43699:11: Bye Bye [preauth] Jan 20 08:32:36 linux4ai-server sshd[52691]: Invalid user test from 45.33.22.11 port 32296 Jan 20 08:32:36 linux4ai-server sshd[52691]: Failed password for invalid user test from 45.33.22.11 port 32296 ssh2 Jan 20 08:32:36 linux4ai-server sshd[52691]: Connection closed by invalid user test 45.33.22.11 port 32296 [preauth] Jan 20 08:32:38 linux4ai-server sshd[29118]: Accepted publickey for ops from 10.0.0.15 port 44709 ssh2 Jan 20 08:32:38 linux4ai-server systemd-logind[669]: New session 6142 of user ops. Jan 20 08:32:38 linux4ai-server sshd[29118]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:32:38 linux4ai-server sshd[29118]: Disconnected from user ops 10.0.0.15 port 44709 Jan 20 08:32:38 linux4ai-server sshd[29118]: pam_unix(sshd:session): session closed for user ops Jan 20 08:32:38 linux4ai-server systemd-logind[669]: Session 6142 logged out. Waiting for processes to exit. Jan 20 08:32:41 linux4ai-server sshd[34806]: Invalid user oracle from 203.0.113.5 port 40864 Jan 20 08:32:41 linux4ai-server sshd[34806]: Failed password for invalid user oracle from 203.0.113.5 port 40864 ssh2 Jan 20 08:32:41 linux4ai-server sshd[34806]: Connection closed by invalid user oracle 203.0.113.5 port 40864 [preauth] Jan 20 08:32:45 linux4ai-server sshd[34881]: Accepted publickey for teacher from 192.168.1.100 port 50945 ssh2 Jan 20 08:32:45 linux4ai-server systemd-logind[594]: New session 1847 of user teacher. Jan 20 08:32:45 linux4ai-server sshd[34881]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:32:45 linux4ai-server sshd[34881]: Disconnected from user teacher 192.168.1.100 port 50945 Jan 20 08:32:45 linux4ai-server sshd[34881]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:32:45 linux4ai-server systemd-logind[594]: Session 1847 logged out. Waiting for processes to exit. Jan 20 08:32:46 linux4ai-server sshd[16629]: Accepted publickey for dev from 192.168.1.104 port 34594 ssh2 Jan 20 08:32:46 linux4ai-server systemd-logind[540]: New session 7303 of user dev. Jan 20 08:32:46 linux4ai-server sshd[16629]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:32:46 linux4ai-server sshd[16629]: Disconnected from user dev 192.168.1.104 port 34594 Jan 20 08:32:46 linux4ai-server sshd[16629]: pam_unix(sshd:session): session closed for user dev Jan 20 08:32:46 linux4ai-server systemd-logind[540]: Session 7303 logged out. Waiting for processes to exit. Jan 20 08:32:50 linux4ai-server sshd[48814]: Failed password for root from 185.199.110.153 port 60162 ssh2 Jan 20 08:32:50 linux4ai-server sshd[48814]: Connection closed by authenticating user root 185.199.110.153 port 60162 [preauth] Jan 20 08:32:53 linux4ai-server sshd[7255]: Failed password for root from 192.168.1.200 port 48450 ssh2 Jan 20 08:32:53 linux4ai-server sshd[7255]: Received disconnect from 192.168.1.200 port 48450:11: Bye Bye [preauth] Jan 20 08:32:54 linux4ai-server sshd[56195]: Invalid user oracle from 45.33.22.11 port 61931 Jan 20 08:32:54 linux4ai-server sshd[56195]: Failed password for invalid user oracle from 45.33.22.11 port 61931 ssh2 Jan 20 08:32:54 linux4ai-server sshd[56195]: Connection closed by invalid user oracle 45.33.22.11 port 61931 [preauth] Jan 20 08:32:56 linux4ai-server sshd[5241]: Failed password for root from 203.0.113.5 port 54263 ssh2 Jan 20 08:32:56 linux4ai-server sshd[5241]: Connection closed by authenticating user root 203.0.113.5 port 54263 [preauth] Jan 20 08:33:03 linux4ai-server sshd[53158]: Invalid user root from 45.33.22.11 port 33814 Jan 20 08:33:03 linux4ai-server sshd[53158]: Failed password for invalid user root from 45.33.22.11 port 33814 ssh2 Jan 20 08:33:03 linux4ai-server sshd[53158]: Connection closed by invalid user root 45.33.22.11 port 33814 [preauth] Jan 20 08:33:07 linux4ai-server sshd[7166]: Failed password for root from 198.51.100.2 port 52850 ssh2 Jan 20 08:33:07 linux4ai-server sshd[7166]: Received disconnect from 198.51.100.2 port 52850:11: Bye Bye [preauth] Jan 20 08:33:16 linux4ai-server sshd[19724]: Invalid user support from 203.0.113.5 port 59270 Jan 20 08:33:16 linux4ai-server sshd[19724]: Failed password for invalid user support from 203.0.113.5 port 59270 ssh2 Jan 20 08:33:16 linux4ai-server sshd[19724]: Connection closed by invalid user support 203.0.113.5 port 59270 [preauth] Jan 20 08:33:23 linux4ai-server sshd[19942]: Failed password for root from 45.33.22.11 port 36425 ssh2 Jan 20 08:33:23 linux4ai-server sshd[19942]: Connection closed by authenticating user root 45.33.22.11 port 36425 [preauth] Jan 20 08:33:29 linux4ai-server sshd[42030]: Connection closed by 192.168.1.200 port 53570 [preauth] Jan 20 08:33:39 linux4ai-server sshd[34501]: Invalid user test from 45.33.22.11 port 45974 Jan 20 08:33:39 linux4ai-server sshd[34501]: Failed password for invalid user test from 45.33.22.11 port 45974 ssh2 Jan 20 08:33:39 linux4ai-server sshd[34501]: Connection closed by invalid user test 45.33.22.11 port 45974 [preauth] Jan 20 08:33:46 linux4ai-server sshd[37059]: Invalid user support from 198.51.100.2 port 51349 Jan 20 08:33:46 linux4ai-server sshd[37059]: Failed password for invalid user support from 198.51.100.2 port 51349 ssh2 Jan 20 08:33:46 linux4ai-server sshd[37059]: Connection closed by invalid user support 198.51.100.2 port 51349 [preauth] Jan 20 08:33:48 linux4ai-server sshd[41077]: Failed password for root from 192.168.1.200 port 37212 ssh2 Jan 20 08:33:48 linux4ai-server sshd[41077]: Received disconnect from 192.168.1.200 port 37212:11: Bye Bye [preauth] Jan 20 08:33:51 linux4ai-server sshd[42608]: Accepted publickey for teacher from 192.168.1.119 port 42583 ssh2 Jan 20 08:33:51 linux4ai-server systemd-logind[848]: New session 7774 of user teacher. Jan 20 08:33:51 linux4ai-server sshd[42608]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:33:51 linux4ai-server sshd[42608]: Disconnected from user teacher 192.168.1.119 port 42583 Jan 20 08:33:51 linux4ai-server sshd[42608]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:33:51 linux4ai-server systemd-logind[848]: Session 7774 logged out. Waiting for processes to exit. Jan 20 08:33:55 linux4ai-server sshd[37008]: Failed password for root from 45.33.22.11 port 53635 ssh2 Jan 20 08:33:55 linux4ai-server sshd[37008]: Received disconnect from 45.33.22.11 port 53635:11: Bye Bye [preauth] Jan 20 08:34:00 linux4ai-server sshd[43915]: Invalid user mcserver from 185.199.110.153 port 40393 Jan 20 08:34:00 linux4ai-server sshd[43915]: Failed password for invalid user mcserver from 185.199.110.153 port 40393 ssh2 Jan 20 08:34:00 linux4ai-server sshd[43915]: Connection closed by invalid user mcserver 185.199.110.153 port 40393 [preauth] Jan 20 08:34:05 linux4ai-server sshd[7341]: Invalid user guest from 45.33.22.11 port 30564 Jan 20 08:34:05 linux4ai-server sshd[7341]: Failed password for invalid user guest from 45.33.22.11 port 30564 ssh2 Jan 20 08:34:05 linux4ai-server sshd[7341]: Connection closed by invalid user guest 45.33.22.11 port 30564 [preauth] Jan 20 08:34:07 linux4ai-server sshd[45777]: Invalid user mcserver from 203.0.113.5 port 34827 Jan 20 08:34:07 linux4ai-server sshd[45777]: Failed password for invalid user mcserver from 203.0.113.5 port 34827 ssh2 Jan 20 08:34:07 linux4ai-server sshd[45777]: Connection closed by invalid user mcserver 203.0.113.5 port 34827 [preauth] Jan 20 08:34:17 linux4ai-server sshd[3220]: Accepted publickey for ops from 10.0.0.1 port 58385 ssh2 Jan 20 08:34:17 linux4ai-server systemd-logind[895]: New session 8003 of user ops. Jan 20 08:34:17 linux4ai-server sshd[3220]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:34:17 linux4ai-server sshd[3220]: Disconnected from user ops 10.0.0.1 port 58385 Jan 20 08:34:17 linux4ai-server sshd[3220]: pam_unix(sshd:session): session closed for user ops Jan 20 08:34:17 linux4ai-server systemd-logind[895]: Session 8003 logged out. Waiting for processes to exit. Jan 20 08:34:21 linux4ai-server sshd[56601]: Invalid user oracle from 192.168.1.200 port 57007 Jan 20 08:34:21 linux4ai-server sshd[56601]: Failed password for invalid user oracle from 192.168.1.200 port 57007 ssh2 Jan 20 08:34:21 linux4ai-server sshd[56601]: Connection closed by invalid user oracle 192.168.1.200 port 57007 [preauth] Jan 20 08:34:27 linux4ai-server sshd[52462]: Failed password for root from 185.199.110.153 port 57305 ssh2 Jan 20 08:34:27 linux4ai-server sshd[52462]: Connection closed by authenticating user root 185.199.110.153 port 57305 [preauth] Jan 20 08:34:35 linux4ai-server sshd[45683]: Accepted publickey for huangwei from 192.168.1.100 port 64091 ssh2 Jan 20 08:34:35 linux4ai-server systemd-logind[636]: New session 5920 of user huangwei. Jan 20 08:34:35 linux4ai-server sshd[45683]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:34:35 linux4ai-server sshd[45683]: Disconnected from user huangwei 192.168.1.100 port 64091 Jan 20 08:34:35 linux4ai-server sshd[45683]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:34:35 linux4ai-server systemd-logind[636]: Session 5920 logged out. Waiting for processes to exit. Jan 20 08:34:44 linux4ai-server sshd[45037]: Failed password for root from 198.51.100.2 port 50138 ssh2 Jan 20 08:34:44 linux4ai-server sshd[45037]: Received disconnect from 198.51.100.2 port 50138:11: Bye Bye [preauth] Jan 20 08:34:45 linux4ai-server sshd[48257]: Failed password for root from 14.1.2.3 port 51450 ssh2 Jan 20 08:34:45 linux4ai-server sshd[48257]: Received disconnect from 14.1.2.3 port 51450:11: Bye Bye [preauth] Jan 20 08:34:51 linux4ai-server sshd[13875]: Invalid user support from 192.168.1.200 port 34706 Jan 20 08:34:51 linux4ai-server sshd[13875]: Failed password for invalid user support from 192.168.1.200 port 34706 ssh2 Jan 20 08:34:51 linux4ai-server sshd[13875]: Connection closed by invalid user support 192.168.1.200 port 34706 [preauth] Jan 20 08:35:01 linux4ai-server sshd[44644]: Invalid user root from 203.0.113.5 port 56122 Jan 20 08:35:01 linux4ai-server sshd[44644]: Failed password for invalid user root from 203.0.113.5 port 56122 ssh2 Jan 20 08:35:01 linux4ai-server sshd[44644]: Connection closed by invalid user root 203.0.113.5 port 56122 [preauth] Jan 20 08:35:11 linux4ai-server sshd[36725]: Failed password for root from 45.33.22.11 port 42649 ssh2 Jan 20 08:35:11 linux4ai-server sshd[36725]: Received disconnect from 45.33.22.11 port 42649:11: Bye Bye [preauth] Jan 20 08:35:16 linux4ai-server sshd[48415]: Invalid user ubnt from 192.168.1.200 port 41665 Jan 20 08:35:16 linux4ai-server sshd[48415]: Failed password for invalid user ubnt from 192.168.1.200 port 41665 ssh2 Jan 20 08:35:16 linux4ai-server sshd[48415]: Connection closed by invalid user ubnt 192.168.1.200 port 41665 [preauth] Jan 20 08:35:19 linux4ai-server sshd[7800]: Accepted publickey for ops from 192.168.1.106 port 50954 ssh2 Jan 20 08:35:19 linux4ai-server systemd-logind[760]: New session 8196 of user ops. Jan 20 08:35:19 linux4ai-server sshd[7800]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:35:19 linux4ai-server sshd[7800]: Disconnected from user ops 192.168.1.106 port 50954 Jan 20 08:35:19 linux4ai-server sshd[7800]: pam_unix(sshd:session): session closed for user ops Jan 20 08:35:19 linux4ai-server systemd-logind[760]: Session 8196 logged out. Waiting for processes to exit. Jan 20 08:35:24 linux4ai-server sshd[58570]: Invalid user support from 192.168.1.200 port 57615 Jan 20 08:35:24 linux4ai-server sshd[58570]: Failed password for invalid user support from 192.168.1.200 port 57615 ssh2 Jan 20 08:35:24 linux4ai-server sshd[58570]: Connection closed by invalid user support 192.168.1.200 port 57615 [preauth] Jan 20 08:35:31 linux4ai-server sshd[56567]: Accepted publickey for teacher from 10.0.0.2 port 34780 ssh2 Jan 20 08:35:31 linux4ai-server systemd-logind[895]: New session 1827 of user teacher. Jan 20 08:35:31 linux4ai-server sshd[56567]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:35:31 linux4ai-server sshd[56567]: Disconnected from user teacher 10.0.0.2 port 34780 Jan 20 08:35:31 linux4ai-server sshd[56567]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:35:31 linux4ai-server systemd-logind[895]: Session 1827 logged out. Waiting for processes to exit. Jan 20 08:35:35 linux4ai-server sshd[55335]: Connection closed by 185.199.110.153 port 56859 [preauth] Jan 20 08:35:37 linux4ai-server sshd[9297]: Accepted publickey for dev from 192.168.1.110 port 32510 ssh2 Jan 20 08:35:37 linux4ai-server systemd-logind[606]: New session 3267 of user dev. Jan 20 08:35:37 linux4ai-server sshd[9297]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:35:37 linux4ai-server sshd[9297]: Disconnected from user dev 192.168.1.110 port 32510 Jan 20 08:35:37 linux4ai-server sshd[9297]: pam_unix(sshd:session): session closed for user dev Jan 20 08:35:37 linux4ai-server systemd-logind[606]: Session 3267 logged out. Waiting for processes to exit. Jan 20 08:35:39 linux4ai-server sshd[33327]: Failed password for root from 203.0.113.5 port 63853 ssh2 Jan 20 08:35:39 linux4ai-server sshd[33327]: Connection closed by authenticating user root 203.0.113.5 port 63853 [preauth] Jan 20 08:35:41 linux4ai-server sshd[55605]: Accepted publickey for teacher from 10.0.0.16 port 43003 ssh2 Jan 20 08:35:41 linux4ai-server systemd-logind[540]: New session 1579 of user teacher. Jan 20 08:35:41 linux4ai-server sshd[55605]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:35:41 linux4ai-server sshd[55605]: Disconnected from user teacher 10.0.0.16 port 43003 Jan 20 08:35:41 linux4ai-server sshd[55605]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:35:41 linux4ai-server systemd-logind[540]: Session 1579 logged out. Waiting for processes to exit. Jan 20 08:35:51 linux4ai-server sshd[18457]: Accepted publickey for student from 192.168.1.112 port 31410 ssh2 Jan 20 08:35:51 linux4ai-server systemd-logind[640]: New session 7695 of user student. Jan 20 08:35:51 linux4ai-server sshd[18457]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:35:51 linux4ai-server sshd[18457]: Disconnected from user student 192.168.1.112 port 31410 Jan 20 08:35:51 linux4ai-server sshd[18457]: pam_unix(sshd:session): session closed for user student Jan 20 08:35:51 linux4ai-server systemd-logind[640]: Session 7695 logged out. Waiting for processes to exit. Jan 20 08:35:54 linux4ai-server sshd[44494]: Accepted publickey for huangwei from 10.0.0.19 port 54585 ssh2 Jan 20 08:35:54 linux4ai-server systemd-logind[652]: New session 7350 of user huangwei. Jan 20 08:35:54 linux4ai-server sshd[44494]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:35:54 linux4ai-server sshd[44494]: Disconnected from user huangwei 10.0.0.19 port 54585 Jan 20 08:35:54 linux4ai-server sshd[44494]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:35:54 linux4ai-server systemd-logind[652]: Session 7350 logged out. Waiting for processes to exit. Jan 20 08:35:57 linux4ai-server sshd[5639]: Invalid user guest from 192.168.1.200 port 43991 Jan 20 08:35:57 linux4ai-server sshd[5639]: Failed password for invalid user guest from 192.168.1.200 port 43991 ssh2 Jan 20 08:35:57 linux4ai-server sshd[5639]: Connection closed by invalid user guest 192.168.1.200 port 43991 [preauth] Jan 20 08:36:03 linux4ai-server sshd[27903]: Connection closed by 45.33.22.11 port 47142 [preauth] Jan 20 08:36:11 linux4ai-server sshd[20332]: Failed password for root from 45.33.22.11 port 64811 ssh2 Jan 20 08:36:11 linux4ai-server sshd[20332]: Connection closed by authenticating user root 45.33.22.11 port 64811 [preauth] Jan 20 08:36:13 linux4ai-server sshd[52758]: Invalid user ubnt from 45.33.22.11 port 61610 Jan 20 08:36:13 linux4ai-server sshd[52758]: Failed password for invalid user ubnt from 45.33.22.11 port 61610 ssh2 Jan 20 08:36:13 linux4ai-server sshd[52758]: Connection closed by invalid user ubnt 45.33.22.11 port 61610 [preauth] Jan 20 08:36:20 linux4ai-server sshd[47320]: Accepted publickey for teacher from 192.168.1.103 port 56723 ssh2 Jan 20 08:36:20 linux4ai-server systemd-logind[621]: New session 993 of user teacher. Jan 20 08:36:20 linux4ai-server sshd[47320]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:36:20 linux4ai-server sshd[47320]: Disconnected from user teacher 192.168.1.103 port 56723 Jan 20 08:36:20 linux4ai-server sshd[47320]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:36:20 linux4ai-server systemd-logind[621]: Session 993 logged out. Waiting for processes to exit. Jan 20 08:36:23 linux4ai-server sshd[32592]: Invalid user oracle from 192.168.1.200 port 57154 Jan 20 08:36:23 linux4ai-server sshd[32592]: Failed password for invalid user oracle from 192.168.1.200 port 57154 ssh2 Jan 20 08:36:23 linux4ai-server sshd[32592]: Connection closed by invalid user oracle 192.168.1.200 port 57154 [preauth] Jan 20 08:36:28 linux4ai-server sshd[59719]: Connection closed by 185.199.110.153 port 30632 [preauth] Jan 20 08:36:30 linux4ai-server sshd[8676]: Invalid user ubnt from 192.168.1.200 port 56321 Jan 20 08:36:30 linux4ai-server sshd[8676]: Failed password for invalid user ubnt from 192.168.1.200 port 56321 ssh2 Jan 20 08:36:30 linux4ai-server sshd[8676]: Connection closed by invalid user ubnt 192.168.1.200 port 56321 [preauth] Jan 20 08:36:39 linux4ai-server sshd[20709]: Failed password for root from 198.51.100.2 port 32689 ssh2 Jan 20 08:36:39 linux4ai-server sshd[20709]: Received disconnect from 198.51.100.2 port 32689:11: Bye Bye [preauth] Jan 20 08:36:42 linux4ai-server sshd[34386]: Failed password for root from 192.168.1.200 port 40525 ssh2 Jan 20 08:36:42 linux4ai-server sshd[34386]: Connection closed by authenticating user root 192.168.1.200 port 40525 [preauth] Jan 20 08:36:48 linux4ai-server sshd[6217]: Accepted publickey for ops from 192.168.1.101 port 49198 ssh2 Jan 20 08:36:48 linux4ai-server systemd-logind[510]: New session 7807 of user ops. Jan 20 08:36:48 linux4ai-server sshd[6217]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:36:48 linux4ai-server sshd[6217]: Disconnected from user ops 192.168.1.101 port 49198 Jan 20 08:36:48 linux4ai-server sshd[6217]: pam_unix(sshd:session): session closed for user ops Jan 20 08:36:48 linux4ai-server systemd-logind[510]: Session 7807 logged out. Waiting for processes to exit. Jan 20 08:36:51 linux4ai-server sshd[47488]: Failed password for root from 192.168.1.200 port 43007 ssh2 Jan 20 08:36:51 linux4ai-server sshd[47488]: Received disconnect from 192.168.1.200 port 43007:11: Bye Bye [preauth] Jan 20 08:36:56 linux4ai-server sshd[41124]: Failed password for root from 192.168.1.200 port 52295 ssh2 Jan 20 08:36:56 linux4ai-server sshd[41124]: Received disconnect from 192.168.1.200 port 52295:11: Bye Bye [preauth] Jan 20 08:37:02 linux4ai-server sshd[17137]: Failed password for root from 45.33.22.11 port 39722 ssh2 Jan 20 08:37:02 linux4ai-server sshd[17137]: Received disconnect from 45.33.22.11 port 39722:11: Bye Bye [preauth] Jan 20 08:37:11 linux4ai-server sshd[57890]: Invalid user mcserver from 203.0.113.5 port 41169 Jan 20 08:37:11 linux4ai-server sshd[57890]: Failed password for invalid user mcserver from 203.0.113.5 port 41169 ssh2 Jan 20 08:37:11 linux4ai-server sshd[57890]: Connection closed by invalid user mcserver 203.0.113.5 port 41169 [preauth] Jan 20 08:37:13 linux4ai-server sshd[29511]: Invalid user ubnt from 192.168.1.200 port 38237 Jan 20 08:37:13 linux4ai-server sshd[29511]: Failed password for invalid user ubnt from 192.168.1.200 port 38237 ssh2 Jan 20 08:37:13 linux4ai-server sshd[29511]: Connection closed by invalid user ubnt 192.168.1.200 port 38237 [preauth] Jan 20 08:37:18 linux4ai-server sshd[24787]: Failed password for root from 45.33.22.11 port 45587 ssh2 Jan 20 08:37:18 linux4ai-server sshd[24787]: Connection closed by authenticating user root 45.33.22.11 port 45587 [preauth] Jan 20 08:37:28 linux4ai-server sshd[7457]: Invalid user test from 203.0.113.5 port 39016 Jan 20 08:37:28 linux4ai-server sshd[7457]: Failed password for invalid user test from 203.0.113.5 port 39016 ssh2 Jan 20 08:37:28 linux4ai-server sshd[7457]: Connection closed by invalid user test 203.0.113.5 port 39016 [preauth] Jan 20 08:37:32 linux4ai-server sshd[10247]: Invalid user mcserver from 185.199.110.153 port 48740 Jan 20 08:37:32 linux4ai-server sshd[10247]: Failed password for invalid user mcserver from 185.199.110.153 port 48740 ssh2 Jan 20 08:37:32 linux4ai-server sshd[10247]: Connection closed by invalid user mcserver 185.199.110.153 port 48740 [preauth] Jan 20 08:37:33 linux4ai-server sshd[47504]: Invalid user ubnt from 220.181.38.148 port 36633 Jan 20 08:37:33 linux4ai-server sshd[47504]: Failed password for invalid user ubnt from 220.181.38.148 port 36633 ssh2 Jan 20 08:37:33 linux4ai-server sshd[47504]: Connection closed by invalid user ubnt 220.181.38.148 port 36633 [preauth] Jan 20 08:37:38 linux4ai-server sshd[42432]: Connection closed by 45.33.22.11 port 60047 [preauth] Jan 20 08:37:48 linux4ai-server sshd[10974]: Failed password for root from 45.33.22.11 port 57474 ssh2 Jan 20 08:37:48 linux4ai-server sshd[10974]: Received disconnect from 45.33.22.11 port 57474:11: Bye Bye [preauth] Jan 20 08:37:55 linux4ai-server sshd[31257]: Invalid user oracle from 192.168.1.200 port 57030 Jan 20 08:37:55 linux4ai-server sshd[31257]: Failed password for invalid user oracle from 192.168.1.200 port 57030 ssh2 Jan 20 08:37:55 linux4ai-server sshd[31257]: Connection closed by invalid user oracle 192.168.1.200 port 57030 [preauth] Jan 20 08:37:56 linux4ai-server sshd[47867]: Invalid user oracle from 220.181.38.148 port 64466 Jan 20 08:37:56 linux4ai-server sshd[47867]: Failed password for invalid user oracle from 220.181.38.148 port 64466 ssh2 Jan 20 08:37:56 linux4ai-server sshd[47867]: Connection closed by invalid user oracle 220.181.38.148 port 64466 [preauth] Jan 20 08:38:04 linux4ai-server sshd[23574]: Accepted publickey for student from 10.0.0.18 port 50900 ssh2 Jan 20 08:38:04 linux4ai-server systemd-logind[575]: New session 6161 of user student. Jan 20 08:38:04 linux4ai-server sshd[23574]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:38:04 linux4ai-server sshd[23574]: Disconnected from user student 10.0.0.18 port 50900 Jan 20 08:38:04 linux4ai-server sshd[23574]: pam_unix(sshd:session): session closed for user student Jan 20 08:38:04 linux4ai-server systemd-logind[575]: Session 6161 logged out. Waiting for processes to exit. Jan 20 08:38:06 linux4ai-server sshd[32697]: Accepted publickey for teacher from 192.168.1.115 port 59265 ssh2 Jan 20 08:38:06 linux4ai-server systemd-logind[765]: New session 3016 of user teacher. Jan 20 08:38:06 linux4ai-server sshd[32697]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:38:06 linux4ai-server sshd[32697]: Disconnected from user teacher 192.168.1.115 port 59265 Jan 20 08:38:06 linux4ai-server sshd[32697]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:38:06 linux4ai-server systemd-logind[765]: Session 3016 logged out. Waiting for processes to exit. Jan 20 08:38:15 linux4ai-server sshd[35311]: Accepted publickey for dev from 192.168.1.104 port 60688 ssh2 Jan 20 08:38:15 linux4ai-server systemd-logind[586]: New session 7673 of user dev. Jan 20 08:38:15 linux4ai-server sshd[35311]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:38:15 linux4ai-server sshd[35311]: Disconnected from user dev 192.168.1.104 port 60688 Jan 20 08:38:15 linux4ai-server sshd[35311]: pam_unix(sshd:session): session closed for user dev Jan 20 08:38:15 linux4ai-server systemd-logind[586]: Session 7673 logged out. Waiting for processes to exit. Jan 20 08:38:20 linux4ai-server sshd[26688]: Accepted publickey for ops from 10.0.0.7 port 42959 ssh2 Jan 20 08:38:20 linux4ai-server systemd-logind[552]: New session 894 of user ops. Jan 20 08:38:20 linux4ai-server sshd[26688]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:38:20 linux4ai-server sshd[26688]: Disconnected from user ops 10.0.0.7 port 42959 Jan 20 08:38:20 linux4ai-server sshd[26688]: pam_unix(sshd:session): session closed for user ops Jan 20 08:38:20 linux4ai-server systemd-logind[552]: Session 894 logged out. Waiting for processes to exit. Jan 20 08:38:25 linux4ai-server sshd[53672]: Invalid user support from 198.51.100.2 port 45248 Jan 20 08:38:25 linux4ai-server sshd[53672]: Failed password for invalid user support from 198.51.100.2 port 45248 ssh2 Jan 20 08:38:25 linux4ai-server sshd[53672]: Connection closed by invalid user support 198.51.100.2 port 45248 [preauth] Jan 20 08:38:34 linux4ai-server sshd[37577]: Invalid user admin from 14.1.2.3 port 34157 Jan 20 08:38:34 linux4ai-server sshd[37577]: Failed password for invalid user admin from 14.1.2.3 port 34157 ssh2 Jan 20 08:38:34 linux4ai-server sshd[37577]: Connection closed by invalid user admin 14.1.2.3 port 34157 [preauth] Jan 20 08:38:42 linux4ai-server sshd[39422]: Invalid user admin from 14.1.2.3 port 39301 Jan 20 08:38:42 linux4ai-server sshd[39422]: Failed password for invalid user admin from 14.1.2.3 port 39301 ssh2 Jan 20 08:38:42 linux4ai-server sshd[39422]: Connection closed by invalid user admin 14.1.2.3 port 39301 [preauth] Jan 20 08:38:45 linux4ai-server sshd[37570]: Invalid user admin from 192.168.1.200 port 62651 Jan 20 08:38:45 linux4ai-server sshd[37570]: Failed password for invalid user admin from 192.168.1.200 port 62651 ssh2 Jan 20 08:38:45 linux4ai-server sshd[37570]: Connection closed by invalid user admin 192.168.1.200 port 62651 [preauth] Jan 20 08:38:52 linux4ai-server sshd[25704]: Invalid user test from 45.33.22.11 port 53528 Jan 20 08:38:52 linux4ai-server sshd[25704]: Failed password for invalid user test from 45.33.22.11 port 53528 ssh2 Jan 20 08:38:52 linux4ai-server sshd[25704]: Connection closed by invalid user test 45.33.22.11 port 53528 [preauth] Jan 20 08:38:55 linux4ai-server sshd[55482]: Invalid user support from 192.168.1.200 port 39394 Jan 20 08:38:55 linux4ai-server sshd[55482]: Failed password for invalid user support from 192.168.1.200 port 39394 ssh2 Jan 20 08:38:55 linux4ai-server sshd[55482]: Connection closed by invalid user support 192.168.1.200 port 39394 [preauth] Jan 20 08:39:01 linux4ai-server sshd[10502]: Failed password for root from 192.168.1.200 port 48767 ssh2 Jan 20 08:39:01 linux4ai-server sshd[10502]: Connection closed by authenticating user root 192.168.1.200 port 48767 [preauth] Jan 20 08:39:04 linux4ai-server sshd[10197]: Connection closed by 203.0.113.5 port 38852 [preauth] Jan 20 08:39:10 linux4ai-server sshd[12588]: Invalid user root from 185.199.110.153 port 32910 Jan 20 08:39:10 linux4ai-server sshd[12588]: Failed password for invalid user root from 185.199.110.153 port 32910 ssh2 Jan 20 08:39:10 linux4ai-server sshd[12588]: Connection closed by invalid user root 185.199.110.153 port 32910 [preauth] Jan 20 08:39:19 linux4ai-server sshd[55469]: Invalid user mcserver from 45.33.22.11 port 31729 Jan 20 08:39:19 linux4ai-server sshd[55469]: Failed password for invalid user mcserver from 45.33.22.11 port 31729 ssh2 Jan 20 08:39:19 linux4ai-server sshd[55469]: Connection closed by invalid user mcserver 45.33.22.11 port 31729 [preauth] Jan 20 08:39:25 linux4ai-server sshd[22915]: Invalid user support from 185.199.110.153 port 31177 Jan 20 08:39:25 linux4ai-server sshd[22915]: Failed password for invalid user support from 185.199.110.153 port 31177 ssh2 Jan 20 08:39:25 linux4ai-server sshd[22915]: Connection closed by invalid user support 185.199.110.153 port 31177 [preauth] Jan 20 08:39:33 linux4ai-server sshd[26679]: Invalid user postgres from 185.199.110.153 port 64915 Jan 20 08:39:33 linux4ai-server sshd[26679]: Failed password for invalid user postgres from 185.199.110.153 port 64915 ssh2 Jan 20 08:39:33 linux4ai-server sshd[26679]: Connection closed by invalid user postgres 185.199.110.153 port 64915 [preauth] Jan 20 08:39:34 linux4ai-server sshd[40104]: Invalid user oracle from 192.168.1.200 port 49891 Jan 20 08:39:34 linux4ai-server sshd[40104]: Failed password for invalid user oracle from 192.168.1.200 port 49891 ssh2 Jan 20 08:39:34 linux4ai-server sshd[40104]: Connection closed by invalid user oracle 192.168.1.200 port 49891 [preauth] Jan 20 08:39:36 linux4ai-server sshd[47786]: Invalid user ubnt from 45.33.22.11 port 32522 Jan 20 08:39:36 linux4ai-server sshd[47786]: Failed password for invalid user ubnt from 45.33.22.11 port 32522 ssh2 Jan 20 08:39:36 linux4ai-server sshd[47786]: Connection closed by invalid user ubnt 45.33.22.11 port 32522 [preauth] Jan 20 08:39:46 linux4ai-server sshd[35283]: Invalid user postgres from 45.33.22.11 port 49524 Jan 20 08:39:46 linux4ai-server sshd[35283]: Failed password for invalid user postgres from 45.33.22.11 port 49524 ssh2 Jan 20 08:39:46 linux4ai-server sshd[35283]: Connection closed by invalid user postgres 45.33.22.11 port 49524 [preauth] Jan 20 08:39:47 linux4ai-server sshd[9601]: Invalid user ubnt from 45.33.22.11 port 49042 Jan 20 08:39:47 linux4ai-server sshd[9601]: Failed password for invalid user ubnt from 45.33.22.11 port 49042 ssh2 Jan 20 08:39:47 linux4ai-server sshd[9601]: Connection closed by invalid user ubnt 45.33.22.11 port 49042 [preauth] Jan 20 08:39:51 linux4ai-server sshd[11656]: Failed password for root from 198.51.100.2 port 39062 ssh2 Jan 20 08:39:51 linux4ai-server sshd[11656]: Connection closed by authenticating user root 198.51.100.2 port 39062 [preauth] Jan 20 08:39:53 linux4ai-server sshd[54633]: Connection closed by 192.168.1.200 port 53226 [preauth] Jan 20 08:40:01 linux4ai-server sshd[51167]: Failed password for root from 185.199.110.153 port 49887 ssh2 Jan 20 08:40:01 linux4ai-server sshd[51167]: Connection closed by authenticating user root 185.199.110.153 port 49887 [preauth] Jan 20 08:40:10 linux4ai-server sshd[15473]: Connection closed by 203.0.113.5 port 35482 [preauth] Jan 20 08:40:16 linux4ai-server sshd[46281]: Invalid user test from 198.51.100.2 port 59348 Jan 20 08:40:16 linux4ai-server sshd[46281]: Failed password for invalid user test from 198.51.100.2 port 59348 ssh2 Jan 20 08:40:16 linux4ai-server sshd[46281]: Connection closed by invalid user test 198.51.100.2 port 59348 [preauth] Jan 20 08:40:25 linux4ai-server sshd[31342]: Invalid user admin from 192.168.1.200 port 57210 Jan 20 08:40:25 linux4ai-server sshd[31342]: Failed password for invalid user admin from 192.168.1.200 port 57210 ssh2 Jan 20 08:40:25 linux4ai-server sshd[31342]: Connection closed by invalid user admin 192.168.1.200 port 57210 [preauth] Jan 20 08:40:31 linux4ai-server sshd[25959]: Connection closed by 203.0.113.5 port 58549 [preauth] Jan 20 08:40:37 linux4ai-server sshd[54966]: Invalid user root from 192.168.1.200 port 34884 Jan 20 08:40:37 linux4ai-server sshd[54966]: Failed password for invalid user root from 192.168.1.200 port 34884 ssh2 Jan 20 08:40:37 linux4ai-server sshd[54966]: Connection closed by invalid user root 192.168.1.200 port 34884 [preauth] Jan 20 08:40:41 linux4ai-server sshd[45532]: Failed password for root from 45.33.22.11 port 63298 ssh2 Jan 20 08:40:41 linux4ai-server sshd[45532]: Connection closed by authenticating user root 45.33.22.11 port 63298 [preauth] Jan 20 08:40:46 linux4ai-server sshd[16642]: Invalid user test from 198.51.100.2 port 36751 Jan 20 08:40:46 linux4ai-server sshd[16642]: Failed password for invalid user test from 198.51.100.2 port 36751 ssh2 Jan 20 08:40:46 linux4ai-server sshd[16642]: Connection closed by invalid user test 198.51.100.2 port 36751 [preauth] Jan 20 08:40:52 linux4ai-server sshd[19307]: Accepted publickey for ops from 10.0.0.12 port 42394 ssh2 Jan 20 08:40:52 linux4ai-server systemd-logind[565]: New session 4656 of user ops. Jan 20 08:40:52 linux4ai-server sshd[19307]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:40:52 linux4ai-server sshd[19307]: Disconnected from user ops 10.0.0.12 port 42394 Jan 20 08:40:52 linux4ai-server sshd[19307]: pam_unix(sshd:session): session closed for user ops Jan 20 08:40:52 linux4ai-server systemd-logind[565]: Session 4656 logged out. Waiting for processes to exit. Jan 20 08:41:01 linux4ai-server sshd[48709]: Failed password for root from 185.199.110.153 port 59980 ssh2 Jan 20 08:41:01 linux4ai-server sshd[48709]: Received disconnect from 185.199.110.153 port 59980:11: Bye Bye [preauth] Jan 20 08:41:05 linux4ai-server sshd[54975]: Invalid user oracle from 45.33.22.11 port 39914 Jan 20 08:41:05 linux4ai-server sshd[54975]: Failed password for invalid user oracle from 45.33.22.11 port 39914 ssh2 Jan 20 08:41:05 linux4ai-server sshd[54975]: Connection closed by invalid user oracle 45.33.22.11 port 39914 [preauth] Jan 20 08:41:08 linux4ai-server sshd[36564]: Accepted publickey for huangwei from 10.0.0.11 port 32143 ssh2 Jan 20 08:41:08 linux4ai-server systemd-logind[692]: New session 3224 of user huangwei. Jan 20 08:41:08 linux4ai-server sshd[36564]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:41:08 linux4ai-server sshd[36564]: Disconnected from user huangwei 10.0.0.11 port 32143 Jan 20 08:41:08 linux4ai-server sshd[36564]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:41:08 linux4ai-server systemd-logind[692]: Session 3224 logged out. Waiting for processes to exit. Jan 20 08:41:17 linux4ai-server sshd[22536]: Invalid user support from 203.0.113.5 port 62134 Jan 20 08:41:17 linux4ai-server sshd[22536]: Failed password for invalid user support from 203.0.113.5 port 62134 ssh2 Jan 20 08:41:17 linux4ai-server sshd[22536]: Connection closed by invalid user support 203.0.113.5 port 62134 [preauth] Jan 20 08:41:18 linux4ai-server sshd[58501]: Failed password for root from 45.33.22.11 port 38872 ssh2 Jan 20 08:41:18 linux4ai-server sshd[58501]: Received disconnect from 45.33.22.11 port 38872:11: Bye Bye [preauth] Jan 20 08:41:25 linux4ai-server sshd[46495]: Invalid user admin from 198.51.100.2 port 54317 Jan 20 08:41:25 linux4ai-server sshd[46495]: Failed password for invalid user admin from 198.51.100.2 port 54317 ssh2 Jan 20 08:41:25 linux4ai-server sshd[46495]: Connection closed by invalid user admin 198.51.100.2 port 54317 [preauth] Jan 20 08:41:28 linux4ai-server sshd[41830]: Invalid user support from 185.199.110.153 port 54305 Jan 20 08:41:28 linux4ai-server sshd[41830]: Failed password for invalid user support from 185.199.110.153 port 54305 ssh2 Jan 20 08:41:28 linux4ai-server sshd[41830]: Connection closed by invalid user support 185.199.110.153 port 54305 [preauth] Jan 20 08:41:37 linux4ai-server sshd[29837]: Invalid user postgres from 45.33.22.11 port 49577 Jan 20 08:41:37 linux4ai-server sshd[29837]: Failed password for invalid user postgres from 45.33.22.11 port 49577 ssh2 Jan 20 08:41:37 linux4ai-server sshd[29837]: Connection closed by invalid user postgres 45.33.22.11 port 49577 [preauth] Jan 20 08:41:47 linux4ai-server sshd[4750]: Invalid user guest from 185.199.110.153 port 38645 Jan 20 08:41:47 linux4ai-server sshd[4750]: Failed password for invalid user guest from 185.199.110.153 port 38645 ssh2 Jan 20 08:41:47 linux4ai-server sshd[4750]: Connection closed by invalid user guest 185.199.110.153 port 38645 [preauth] Jan 20 08:41:56 linux4ai-server sshd[58372]: Connection closed by 45.33.22.11 port 52411 [preauth] Jan 20 08:41:59 linux4ai-server sshd[35881]: Accepted publickey for dev from 192.168.1.113 port 63216 ssh2 Jan 20 08:41:59 linux4ai-server systemd-logind[687]: New session 7124 of user dev. Jan 20 08:41:59 linux4ai-server sshd[35881]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:41:59 linux4ai-server sshd[35881]: Disconnected from user dev 192.168.1.113 port 63216 Jan 20 08:41:59 linux4ai-server sshd[35881]: pam_unix(sshd:session): session closed for user dev Jan 20 08:41:59 linux4ai-server systemd-logind[687]: Session 7124 logged out. Waiting for processes to exit. Jan 20 08:42:06 linux4ai-server sshd[43190]: Accepted publickey for huangwei from 192.168.1.102 port 50313 ssh2 Jan 20 08:42:06 linux4ai-server systemd-logind[854]: New session 3001 of user huangwei. Jan 20 08:42:06 linux4ai-server sshd[43190]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:42:06 linux4ai-server sshd[43190]: Disconnected from user huangwei 192.168.1.102 port 50313 Jan 20 08:42:06 linux4ai-server sshd[43190]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:42:06 linux4ai-server systemd-logind[854]: Session 3001 logged out. Waiting for processes to exit. Jan 20 08:42:12 linux4ai-server sshd[23959]: Invalid user support from 45.33.22.11 port 64328 Jan 20 08:42:12 linux4ai-server sshd[23959]: Failed password for invalid user support from 45.33.22.11 port 64328 ssh2 Jan 20 08:42:12 linux4ai-server sshd[23959]: Connection closed by invalid user support 45.33.22.11 port 64328 [preauth] Jan 20 08:42:22 linux4ai-server sshd[48444]: Failed password for root from 192.168.1.200 port 47857 ssh2 Jan 20 08:42:22 linux4ai-server sshd[48444]: Connection closed by authenticating user root 192.168.1.200 port 47857 [preauth] Jan 20 08:42:25 linux4ai-server sshd[32682]: Failed password for root from 45.33.22.11 port 64677 ssh2 Jan 20 08:42:25 linux4ai-server sshd[32682]: Received disconnect from 45.33.22.11 port 64677:11: Bye Bye [preauth] Jan 20 08:42:33 linux4ai-server sshd[31734]: Connection closed by 192.168.1.200 port 36187 [preauth] Jan 20 08:42:35 linux4ai-server sshd[17858]: Invalid user test from 203.0.113.5 port 46600 Jan 20 08:42:35 linux4ai-server sshd[17858]: Failed password for invalid user test from 203.0.113.5 port 46600 ssh2 Jan 20 08:42:35 linux4ai-server sshd[17858]: Connection closed by invalid user test 203.0.113.5 port 46600 [preauth] Jan 20 08:42:40 linux4ai-server sshd[12864]: Failed password for root from 192.168.1.200 port 44783 ssh2 Jan 20 08:42:40 linux4ai-server sshd[12864]: Connection closed by authenticating user root 192.168.1.200 port 44783 [preauth] Jan 20 08:42:44 linux4ai-server sshd[28440]: Invalid user test from 192.168.1.200 port 49225 Jan 20 08:42:44 linux4ai-server sshd[28440]: Failed password for invalid user test from 192.168.1.200 port 49225 ssh2 Jan 20 08:42:44 linux4ai-server sshd[28440]: Connection closed by invalid user test 192.168.1.200 port 49225 [preauth] Jan 20 08:42:53 linux4ai-server sshd[7943]: Failed password for root from 192.168.1.200 port 63112 ssh2 Jan 20 08:42:53 linux4ai-server sshd[7943]: Connection closed by authenticating user root 192.168.1.200 port 63112 [preauth] Jan 20 08:42:57 linux4ai-server sshd[52942]: Failed password for root from 185.199.110.153 port 59504 ssh2 Jan 20 08:42:57 linux4ai-server sshd[52942]: Received disconnect from 185.199.110.153 port 59504:11: Bye Bye [preauth] Jan 20 08:43:00 linux4ai-server sshd[25976]: Failed password for root from 203.0.113.5 port 60493 ssh2 Jan 20 08:43:00 linux4ai-server sshd[25976]: Received disconnect from 203.0.113.5 port 60493:11: Bye Bye [preauth] Jan 20 08:43:03 linux4ai-server sshd[8367]: Invalid user admin from 192.168.1.200 port 31757 Jan 20 08:43:03 linux4ai-server sshd[8367]: Failed password for invalid user admin from 192.168.1.200 port 31757 ssh2 Jan 20 08:43:03 linux4ai-server sshd[8367]: Connection closed by invalid user admin 192.168.1.200 port 31757 [preauth] Jan 20 08:43:11 linux4ai-server sshd[5529]: Connection closed by 192.168.1.200 port 32514 [preauth] Jan 20 08:43:20 linux4ai-server sshd[23141]: Invalid user postgres from 185.199.110.153 port 60733 Jan 20 08:43:20 linux4ai-server sshd[23141]: Failed password for invalid user postgres from 185.199.110.153 port 60733 ssh2 Jan 20 08:43:20 linux4ai-server sshd[23141]: Connection closed by invalid user postgres 185.199.110.153 port 60733 [preauth] Jan 20 08:43:27 linux4ai-server sshd[55671]: Invalid user postgres from 192.168.1.200 port 61122 Jan 20 08:43:27 linux4ai-server sshd[55671]: Failed password for invalid user postgres from 192.168.1.200 port 61122 ssh2 Jan 20 08:43:27 linux4ai-server sshd[55671]: Connection closed by invalid user postgres 192.168.1.200 port 61122 [preauth] Jan 20 08:43:33 linux4ai-server sshd[6373]: Failed password for root from 45.33.22.11 port 40343 ssh2 Jan 20 08:43:33 linux4ai-server sshd[6373]: Received disconnect from 45.33.22.11 port 40343:11: Bye Bye [preauth] Jan 20 08:43:34 linux4ai-server sshd[46451]: Accepted publickey for teacher from 192.168.1.115 port 63893 ssh2 Jan 20 08:43:34 linux4ai-server systemd-logind[835]: New session 842 of user teacher. Jan 20 08:43:34 linux4ai-server sshd[46451]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:43:34 linux4ai-server sshd[46451]: Disconnected from user teacher 192.168.1.115 port 63893 Jan 20 08:43:34 linux4ai-server sshd[46451]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:43:34 linux4ai-server systemd-logind[835]: Session 842 logged out. Waiting for processes to exit. Jan 20 08:43:41 linux4ai-server sshd[43786]: Accepted publickey for student from 192.168.1.108 port 47519 ssh2 Jan 20 08:43:41 linux4ai-server systemd-logind[764]: New session 747 of user student. Jan 20 08:43:41 linux4ai-server sshd[43786]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:43:41 linux4ai-server sshd[43786]: Disconnected from user student 192.168.1.108 port 47519 Jan 20 08:43:41 linux4ai-server sshd[43786]: pam_unix(sshd:session): session closed for user student Jan 20 08:43:41 linux4ai-server systemd-logind[764]: Session 747 logged out. Waiting for processes to exit. Jan 20 08:43:44 linux4ai-server sshd[6420]: Failed password for root from 45.33.22.11 port 47870 ssh2 Jan 20 08:43:44 linux4ai-server sshd[6420]: Received disconnect from 45.33.22.11 port 47870:11: Bye Bye [preauth] Jan 20 08:43:52 linux4ai-server sshd[33562]: Connection closed by 192.168.1.200 port 40771 [preauth] Jan 20 08:43:56 linux4ai-server sshd[18058]: Invalid user support from 198.51.100.2 port 62401 Jan 20 08:43:56 linux4ai-server sshd[18058]: Failed password for invalid user support from 198.51.100.2 port 62401 ssh2 Jan 20 08:43:56 linux4ai-server sshd[18058]: Connection closed by invalid user support 198.51.100.2 port 62401 [preauth] Jan 20 08:44:05 linux4ai-server sshd[2699]: Failed password for root from 198.51.100.2 port 45134 ssh2 Jan 20 08:44:05 linux4ai-server sshd[2699]: Connection closed by authenticating user root 198.51.100.2 port 45134 [preauth] Jan 20 08:44:07 linux4ai-server sshd[49130]: Connection closed by 185.199.110.153 port 45274 [preauth] Jan 20 08:44:13 linux4ai-server sshd[16687]: Accepted publickey for dev from 10.0.0.6 port 38586 ssh2 Jan 20 08:44:13 linux4ai-server systemd-logind[569]: New session 2029 of user dev. Jan 20 08:44:13 linux4ai-server sshd[16687]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:44:13 linux4ai-server sshd[16687]: Disconnected from user dev 10.0.0.6 port 38586 Jan 20 08:44:13 linux4ai-server sshd[16687]: pam_unix(sshd:session): session closed for user dev Jan 20 08:44:13 linux4ai-server systemd-logind[569]: Session 2029 logged out. Waiting for processes to exit. Jan 20 08:44:22 linux4ai-server sshd[3364]: Failed password for root from 220.181.38.148 port 52287 ssh2 Jan 20 08:44:22 linux4ai-server sshd[3364]: Connection closed by authenticating user root 220.181.38.148 port 52287 [preauth] Jan 20 08:44:32 linux4ai-server sshd[24488]: Accepted publickey for ops from 192.168.1.116 port 40107 ssh2 Jan 20 08:44:32 linux4ai-server systemd-logind[701]: New session 1827 of user ops. Jan 20 08:44:32 linux4ai-server sshd[24488]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:44:32 linux4ai-server sshd[24488]: Disconnected from user ops 192.168.1.116 port 40107 Jan 20 08:44:32 linux4ai-server sshd[24488]: pam_unix(sshd:session): session closed for user ops Jan 20 08:44:32 linux4ai-server systemd-logind[701]: Session 1827 logged out. Waiting for processes to exit. Jan 20 08:44:38 linux4ai-server sshd[26566]: Accepted publickey for student from 192.168.1.104 port 53008 ssh2 Jan 20 08:44:38 linux4ai-server systemd-logind[853]: New session 5150 of user student. Jan 20 08:44:38 linux4ai-server sshd[26566]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:44:38 linux4ai-server sshd[26566]: Disconnected from user student 192.168.1.104 port 53008 Jan 20 08:44:38 linux4ai-server sshd[26566]: pam_unix(sshd:session): session closed for user student Jan 20 08:44:38 linux4ai-server systemd-logind[853]: Session 5150 logged out. Waiting for processes to exit. Jan 20 08:44:41 linux4ai-server sshd[34963]: Invalid user oracle from 192.168.1.200 port 63790 Jan 20 08:44:41 linux4ai-server sshd[34963]: Failed password for invalid user oracle from 192.168.1.200 port 63790 ssh2 Jan 20 08:44:41 linux4ai-server sshd[34963]: Connection closed by invalid user oracle 192.168.1.200 port 63790 [preauth] Jan 20 08:44:43 linux4ai-server sshd[31958]: Failed password for root from 185.199.110.153 port 41882 ssh2 Jan 20 08:44:43 linux4ai-server sshd[31958]: Received disconnect from 185.199.110.153 port 41882:11: Bye Bye [preauth] Jan 20 08:44:48 linux4ai-server sshd[34764]: Invalid user guest from 45.33.22.11 port 48576 Jan 20 08:44:48 linux4ai-server sshd[34764]: Failed password for invalid user guest from 45.33.22.11 port 48576 ssh2 Jan 20 08:44:48 linux4ai-server sshd[34764]: Connection closed by invalid user guest 45.33.22.11 port 48576 [preauth] Jan 20 08:44:57 linux4ai-server sshd[39979]: Accepted publickey for huangwei from 192.168.1.103 port 48081 ssh2 Jan 20 08:44:57 linux4ai-server systemd-logind[588]: New session 1854 of user huangwei. Jan 20 08:44:57 linux4ai-server sshd[39979]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:44:57 linux4ai-server sshd[39979]: Disconnected from user huangwei 192.168.1.103 port 48081 Jan 20 08:44:57 linux4ai-server sshd[39979]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:44:57 linux4ai-server systemd-logind[588]: Session 1854 logged out. Waiting for processes to exit. Jan 20 08:45:01 linux4ai-server sshd[3078]: Invalid user postgres from 185.199.110.153 port 42281 Jan 20 08:45:01 linux4ai-server sshd[3078]: Failed password for invalid user postgres from 185.199.110.153 port 42281 ssh2 Jan 20 08:45:01 linux4ai-server sshd[3078]: Connection closed by invalid user postgres 185.199.110.153 port 42281 [preauth] Jan 20 08:45:05 linux4ai-server sshd[47946]: Invalid user oracle from 185.199.110.153 port 30961 Jan 20 08:45:05 linux4ai-server sshd[47946]: Failed password for invalid user oracle from 185.199.110.153 port 30961 ssh2 Jan 20 08:45:05 linux4ai-server sshd[47946]: Connection closed by invalid user oracle 185.199.110.153 port 30961 [preauth] Jan 20 08:45:15 linux4ai-server sshd[40285]: Failed password for root from 198.51.100.2 port 45747 ssh2 Jan 20 08:45:15 linux4ai-server sshd[40285]: Received disconnect from 198.51.100.2 port 45747:11: Bye Bye [preauth] Jan 20 08:45:17 linux4ai-server sshd[23931]: Invalid user support from 192.168.1.200 port 49722 Jan 20 08:45:17 linux4ai-server sshd[23931]: Failed password for invalid user support from 192.168.1.200 port 49722 ssh2 Jan 20 08:45:17 linux4ai-server sshd[23931]: Connection closed by invalid user support 192.168.1.200 port 49722 [preauth] Jan 20 08:45:20 linux4ai-server sshd[43090]: Connection closed by 192.168.1.200 port 44164 [preauth] Jan 20 08:45:30 linux4ai-server sshd[56507]: Invalid user oracle from 185.199.110.153 port 35899 Jan 20 08:45:30 linux4ai-server sshd[56507]: Failed password for invalid user oracle from 185.199.110.153 port 35899 ssh2 Jan 20 08:45:30 linux4ai-server sshd[56507]: Connection closed by invalid user oracle 185.199.110.153 port 35899 [preauth] Jan 20 08:45:38 linux4ai-server sshd[35046]: Failed password for root from 14.1.2.3 port 42879 ssh2 Jan 20 08:45:38 linux4ai-server sshd[35046]: Received disconnect from 14.1.2.3 port 42879:11: Bye Bye [preauth] Jan 20 08:45:39 linux4ai-server sshd[58608]: Accepted publickey for ops from 10.0.0.18 port 46215 ssh2 Jan 20 08:45:39 linux4ai-server systemd-logind[749]: New session 5568 of user ops. Jan 20 08:45:39 linux4ai-server sshd[58608]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:45:39 linux4ai-server sshd[58608]: Disconnected from user ops 10.0.0.18 port 46215 Jan 20 08:45:39 linux4ai-server sshd[58608]: pam_unix(sshd:session): session closed for user ops Jan 20 08:45:39 linux4ai-server systemd-logind[749]: Session 5568 logged out. Waiting for processes to exit. Jan 20 08:45:43 linux4ai-server sshd[9621]: Invalid user admin from 192.168.1.200 port 31206 Jan 20 08:45:43 linux4ai-server sshd[9621]: Failed password for invalid user admin from 192.168.1.200 port 31206 ssh2 Jan 20 08:45:43 linux4ai-server sshd[9621]: Connection closed by invalid user admin 192.168.1.200 port 31206 [preauth] Jan 20 08:45:52 linux4ai-server sshd[55020]: Accepted publickey for huangwei from 10.0.0.16 port 34842 ssh2 Jan 20 08:45:52 linux4ai-server systemd-logind[855]: New session 956 of user huangwei. Jan 20 08:45:52 linux4ai-server sshd[55020]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:45:52 linux4ai-server sshd[55020]: Disconnected from user huangwei 10.0.0.16 port 34842 Jan 20 08:45:52 linux4ai-server sshd[55020]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:45:52 linux4ai-server systemd-logind[855]: Session 956 logged out. Waiting for processes to exit. Jan 20 08:46:02 linux4ai-server sshd[23504]: Accepted publickey for huangwei from 10.0.0.4 port 52689 ssh2 Jan 20 08:46:02 linux4ai-server systemd-logind[798]: New session 2186 of user huangwei. Jan 20 08:46:02 linux4ai-server sshd[23504]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:46:02 linux4ai-server sshd[23504]: Disconnected from user huangwei 10.0.0.4 port 52689 Jan 20 08:46:02 linux4ai-server sshd[23504]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:46:02 linux4ai-server systemd-logind[798]: Session 2186 logged out. Waiting for processes to exit. Jan 20 08:46:12 linux4ai-server sshd[10922]: Invalid user postgres from 203.0.113.5 port 53365 Jan 20 08:46:12 linux4ai-server sshd[10922]: Failed password for invalid user postgres from 203.0.113.5 port 53365 ssh2 Jan 20 08:46:12 linux4ai-server sshd[10922]: Connection closed by invalid user postgres 203.0.113.5 port 53365 [preauth] Jan 20 08:46:18 linux4ai-server sshd[21146]: Invalid user test from 198.51.100.2 port 58359 Jan 20 08:46:18 linux4ai-server sshd[21146]: Failed password for invalid user test from 198.51.100.2 port 58359 ssh2 Jan 20 08:46:18 linux4ai-server sshd[21146]: Connection closed by invalid user test 198.51.100.2 port 58359 [preauth] Jan 20 08:46:27 linux4ai-server sshd[54557]: Invalid user oracle from 45.33.22.11 port 63912 Jan 20 08:46:27 linux4ai-server sshd[54557]: Failed password for invalid user oracle from 45.33.22.11 port 63912 ssh2 Jan 20 08:46:27 linux4ai-server sshd[54557]: Connection closed by invalid user oracle 45.33.22.11 port 63912 [preauth] Jan 20 08:46:33 linux4ai-server sshd[43277]: Invalid user root from 203.0.113.5 port 61978 Jan 20 08:46:33 linux4ai-server sshd[43277]: Failed password for invalid user root from 203.0.113.5 port 61978 ssh2 Jan 20 08:46:33 linux4ai-server sshd[43277]: Connection closed by invalid user root 203.0.113.5 port 61978 [preauth] Jan 20 08:46:43 linux4ai-server sshd[55488]: Invalid user admin from 45.33.22.11 port 46814 Jan 20 08:46:43 linux4ai-server sshd[55488]: Failed password for invalid user admin from 45.33.22.11 port 46814 ssh2 Jan 20 08:46:43 linux4ai-server sshd[55488]: Connection closed by invalid user admin 45.33.22.11 port 46814 [preauth] Jan 20 08:46:52 linux4ai-server sshd[16026]: Accepted publickey for dev from 10.0.0.2 port 41371 ssh2 Jan 20 08:46:52 linux4ai-server systemd-logind[544]: New session 3032 of user dev. Jan 20 08:46:52 linux4ai-server sshd[16026]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:46:52 linux4ai-server sshd[16026]: Disconnected from user dev 10.0.0.2 port 41371 Jan 20 08:46:52 linux4ai-server sshd[16026]: pam_unix(sshd:session): session closed for user dev Jan 20 08:46:52 linux4ai-server systemd-logind[544]: Session 3032 logged out. Waiting for processes to exit. Jan 20 08:46:58 linux4ai-server sshd[20332]: Accepted publickey for dev from 192.168.1.114 port 57422 ssh2 Jan 20 08:46:58 linux4ai-server systemd-logind[611]: New session 2154 of user dev. Jan 20 08:46:58 linux4ai-server sshd[20332]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:46:58 linux4ai-server sshd[20332]: Disconnected from user dev 192.168.1.114 port 57422 Jan 20 08:46:58 linux4ai-server sshd[20332]: pam_unix(sshd:session): session closed for user dev Jan 20 08:46:58 linux4ai-server systemd-logind[611]: Session 2154 logged out. Waiting for processes to exit. Jan 20 08:47:01 linux4ai-server sshd[30658]: Accepted publickey for student from 10.0.0.14 port 30174 ssh2 Jan 20 08:47:01 linux4ai-server systemd-logind[745]: New session 8301 of user student. Jan 20 08:47:01 linux4ai-server sshd[30658]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:47:01 linux4ai-server sshd[30658]: Disconnected from user student 10.0.0.14 port 30174 Jan 20 08:47:01 linux4ai-server sshd[30658]: pam_unix(sshd:session): session closed for user student Jan 20 08:47:01 linux4ai-server systemd-logind[745]: Session 8301 logged out. Waiting for processes to exit. Jan 20 08:47:10 linux4ai-server sshd[17473]: Accepted publickey for ops from 192.168.1.107 port 47880 ssh2 Jan 20 08:47:10 linux4ai-server systemd-logind[890]: New session 2514 of user ops. Jan 20 08:47:10 linux4ai-server sshd[17473]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:47:10 linux4ai-server sshd[17473]: Disconnected from user ops 192.168.1.107 port 47880 Jan 20 08:47:10 linux4ai-server sshd[17473]: pam_unix(sshd:session): session closed for user ops Jan 20 08:47:10 linux4ai-server systemd-logind[890]: Session 2514 logged out. Waiting for processes to exit. Jan 20 08:47:12 linux4ai-server sshd[10455]: Connection closed by 192.168.1.200 port 62562 [preauth] Jan 20 08:47:17 linux4ai-server sshd[23901]: Accepted publickey for huangwei from 10.0.0.6 port 45790 ssh2 Jan 20 08:47:17 linux4ai-server systemd-logind[567]: New session 3472 of user huangwei. Jan 20 08:47:17 linux4ai-server sshd[23901]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:47:17 linux4ai-server sshd[23901]: Disconnected from user huangwei 10.0.0.6 port 45790 Jan 20 08:47:17 linux4ai-server sshd[23901]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:47:17 linux4ai-server systemd-logind[567]: Session 3472 logged out. Waiting for processes to exit. Jan 20 08:47:24 linux4ai-server sshd[57667]: Invalid user mcserver from 185.199.110.153 port 62094 Jan 20 08:47:24 linux4ai-server sshd[57667]: Failed password for invalid user mcserver from 185.199.110.153 port 62094 ssh2 Jan 20 08:47:24 linux4ai-server sshd[57667]: Connection closed by invalid user mcserver 185.199.110.153 port 62094 [preauth] Jan 20 08:47:29 linux4ai-server sshd[36421]: Connection closed by 192.168.1.200 port 48624 [preauth] Jan 20 08:47:33 linux4ai-server sshd[1072]: Connection closed by 14.1.2.3 port 57592 [preauth] Jan 20 08:47:38 linux4ai-server sshd[56799]: Accepted publickey for student from 192.168.1.107 port 39202 ssh2 Jan 20 08:47:38 linux4ai-server systemd-logind[517]: New session 1253 of user student. Jan 20 08:47:38 linux4ai-server sshd[56799]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:47:38 linux4ai-server sshd[56799]: Disconnected from user student 192.168.1.107 port 39202 Jan 20 08:47:38 linux4ai-server sshd[56799]: pam_unix(sshd:session): session closed for user student Jan 20 08:47:38 linux4ai-server systemd-logind[517]: Session 1253 logged out. Waiting for processes to exit. Jan 20 08:47:40 linux4ai-server sshd[43632]: Invalid user root from 45.33.22.11 port 59362 Jan 20 08:47:40 linux4ai-server sshd[43632]: Failed password for invalid user root from 45.33.22.11 port 59362 ssh2 Jan 20 08:47:40 linux4ai-server sshd[43632]: Connection closed by invalid user root 45.33.22.11 port 59362 [preauth] Jan 20 08:47:42 linux4ai-server sshd[30585]: Failed password for root from 198.51.100.2 port 42087 ssh2 Jan 20 08:47:42 linux4ai-server sshd[30585]: Connection closed by authenticating user root 198.51.100.2 port 42087 [preauth] Jan 20 08:47:52 linux4ai-server sshd[51126]: Accepted publickey for teacher from 192.168.1.107 port 50645 ssh2 Jan 20 08:47:52 linux4ai-server systemd-logind[686]: New session 6526 of user teacher. Jan 20 08:47:52 linux4ai-server sshd[51126]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:47:52 linux4ai-server sshd[51126]: Disconnected from user teacher 192.168.1.107 port 50645 Jan 20 08:47:52 linux4ai-server sshd[51126]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:47:52 linux4ai-server systemd-logind[686]: Session 6526 logged out. Waiting for processes to exit. Jan 20 08:47:58 linux4ai-server sshd[35339]: Failed password for root from 45.33.22.11 port 43953 ssh2 Jan 20 08:47:58 linux4ai-server sshd[35339]: Connection closed by authenticating user root 45.33.22.11 port 43953 [preauth] Jan 20 08:48:05 linux4ai-server sshd[58677]: Invalid user support from 45.33.22.11 port 42546 Jan 20 08:48:05 linux4ai-server sshd[58677]: Failed password for invalid user support from 45.33.22.11 port 42546 ssh2 Jan 20 08:48:05 linux4ai-server sshd[58677]: Connection closed by invalid user support 45.33.22.11 port 42546 [preauth] Jan 20 08:48:12 linux4ai-server sshd[3000]: Failed password for root from 185.199.110.153 port 62462 ssh2 Jan 20 08:48:12 linux4ai-server sshd[3000]: Connection closed by authenticating user root 185.199.110.153 port 62462 [preauth] Jan 20 08:48:20 linux4ai-server sshd[47101]: Invalid user postgres from 185.199.110.153 port 38644 Jan 20 08:48:20 linux4ai-server sshd[47101]: Failed password for invalid user postgres from 185.199.110.153 port 38644 ssh2 Jan 20 08:48:20 linux4ai-server sshd[47101]: Connection closed by invalid user postgres 185.199.110.153 port 38644 [preauth] Jan 20 08:48:25 linux4ai-server sshd[16377]: Invalid user test from 45.33.22.11 port 44425 Jan 20 08:48:25 linux4ai-server sshd[16377]: Failed password for invalid user test from 45.33.22.11 port 44425 ssh2 Jan 20 08:48:25 linux4ai-server sshd[16377]: Connection closed by invalid user test 45.33.22.11 port 44425 [preauth] Jan 20 08:48:26 linux4ai-server sshd[6508]: Connection closed by 14.1.2.3 port 38133 [preauth] Jan 20 08:48:35 linux4ai-server sshd[9903]: Accepted publickey for huangwei from 192.168.1.103 port 56015 ssh2 Jan 20 08:48:35 linux4ai-server systemd-logind[510]: New session 3659 of user huangwei. Jan 20 08:48:35 linux4ai-server sshd[9903]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:48:35 linux4ai-server sshd[9903]: Disconnected from user huangwei 192.168.1.103 port 56015 Jan 20 08:48:35 linux4ai-server sshd[9903]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:48:35 linux4ai-server systemd-logind[510]: Session 3659 logged out. Waiting for processes to exit. Jan 20 08:48:45 linux4ai-server sshd[2220]: Failed password for root from 185.199.110.153 port 64487 ssh2 Jan 20 08:48:45 linux4ai-server sshd[2220]: Received disconnect from 185.199.110.153 port 64487:11: Bye Bye [preauth] Jan 20 08:48:51 linux4ai-server sshd[31817]: Failed password for root from 203.0.113.5 port 32400 ssh2 Jan 20 08:48:51 linux4ai-server sshd[31817]: Received disconnect from 203.0.113.5 port 32400:11: Bye Bye [preauth] Jan 20 08:48:52 linux4ai-server sshd[59154]: Invalid user guest from 192.168.1.200 port 34239 Jan 20 08:48:52 linux4ai-server sshd[59154]: Failed password for invalid user guest from 192.168.1.200 port 34239 ssh2 Jan 20 08:48:52 linux4ai-server sshd[59154]: Connection closed by invalid user guest 192.168.1.200 port 34239 [preauth] Jan 20 08:49:01 linux4ai-server sshd[29047]: Connection closed by 203.0.113.5 port 40230 [preauth] Jan 20 08:49:11 linux4ai-server sshd[8965]: Invalid user root from 45.33.22.11 port 50398 Jan 20 08:49:11 linux4ai-server sshd[8965]: Failed password for invalid user root from 45.33.22.11 port 50398 ssh2 Jan 20 08:49:11 linux4ai-server sshd[8965]: Connection closed by invalid user root 45.33.22.11 port 50398 [preauth] Jan 20 08:49:20 linux4ai-server sshd[11409]: Failed password for root from 192.168.1.200 port 48394 ssh2 Jan 20 08:49:20 linux4ai-server sshd[11409]: Connection closed by authenticating user root 192.168.1.200 port 48394 [preauth] Jan 20 08:49:21 linux4ai-server sshd[26252]: Failed password for root from 45.33.22.11 port 54699 ssh2 Jan 20 08:49:21 linux4ai-server sshd[26252]: Received disconnect from 45.33.22.11 port 54699:11: Bye Bye [preauth] Jan 20 08:49:30 linux4ai-server sshd[59663]: Invalid user postgres from 185.199.110.153 port 60338 Jan 20 08:49:30 linux4ai-server sshd[59663]: Failed password for invalid user postgres from 185.199.110.153 port 60338 ssh2 Jan 20 08:49:30 linux4ai-server sshd[59663]: Connection closed by invalid user postgres 185.199.110.153 port 60338 [preauth] Jan 20 08:49:36 linux4ai-server sshd[3460]: Failed password for root from 185.199.110.153 port 32395 ssh2 Jan 20 08:49:36 linux4ai-server sshd[3460]: Connection closed by authenticating user root 185.199.110.153 port 32395 [preauth] Jan 20 08:49:38 linux4ai-server sshd[20124]: Connection closed by 185.199.110.153 port 56035 [preauth] Jan 20 08:49:43 linux4ai-server sshd[1653]: Failed password for root from 198.51.100.2 port 30010 ssh2 Jan 20 08:49:43 linux4ai-server sshd[1653]: Received disconnect from 198.51.100.2 port 30010:11: Bye Bye [preauth] Jan 20 08:49:48 linux4ai-server sshd[32260]: Failed password for root from 192.168.1.200 port 36831 ssh2 Jan 20 08:49:48 linux4ai-server sshd[32260]: Connection closed by authenticating user root 192.168.1.200 port 36831 [preauth] Jan 20 08:49:55 linux4ai-server sshd[41115]: Invalid user support from 203.0.113.5 port 39321 Jan 20 08:49:55 linux4ai-server sshd[41115]: Failed password for invalid user support from 203.0.113.5 port 39321 ssh2 Jan 20 08:49:55 linux4ai-server sshd[41115]: Connection closed by invalid user support 203.0.113.5 port 39321 [preauth] Jan 20 08:49:56 linux4ai-server sshd[22653]: Accepted publickey for ops from 10.0.0.11 port 54943 ssh2 Jan 20 08:49:56 linux4ai-server systemd-logind[715]: New session 7408 of user ops. Jan 20 08:49:56 linux4ai-server sshd[22653]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:49:56 linux4ai-server sshd[22653]: Disconnected from user ops 10.0.0.11 port 54943 Jan 20 08:49:56 linux4ai-server sshd[22653]: pam_unix(sshd:session): session closed for user ops Jan 20 08:49:56 linux4ai-server systemd-logind[715]: Session 7408 logged out. Waiting for processes to exit. Jan 20 08:50:05 linux4ai-server sshd[51693]: Invalid user admin from 45.33.22.11 port 40571 Jan 20 08:50:05 linux4ai-server sshd[51693]: Failed password for invalid user admin from 45.33.22.11 port 40571 ssh2 Jan 20 08:50:05 linux4ai-server sshd[51693]: Connection closed by invalid user admin 45.33.22.11 port 40571 [preauth] Jan 20 08:50:14 linux4ai-server sshd[37212]: Failed password for root from 192.168.1.200 port 33910 ssh2 Jan 20 08:50:14 linux4ai-server sshd[37212]: Connection closed by authenticating user root 192.168.1.200 port 33910 [preauth] Jan 20 08:50:17 linux4ai-server sshd[3971]: Failed password for root from 203.0.113.5 port 58840 ssh2 Jan 20 08:50:17 linux4ai-server sshd[3971]: Received disconnect from 203.0.113.5 port 58840:11: Bye Bye [preauth] Jan 20 08:50:18 linux4ai-server sshd[6702]: Failed password for root from 192.168.1.200 port 33625 ssh2 Jan 20 08:50:18 linux4ai-server sshd[6702]: Connection closed by authenticating user root 192.168.1.200 port 33625 [preauth] Jan 20 08:50:23 linux4ai-server sshd[28038]: Failed password for root from 198.51.100.2 port 49682 ssh2 Jan 20 08:50:23 linux4ai-server sshd[28038]: Connection closed by authenticating user root 198.51.100.2 port 49682 [preauth] Jan 20 08:50:24 linux4ai-server sshd[32612]: Connection closed by 192.168.1.200 port 54964 [preauth] Jan 20 08:50:29 linux4ai-server sshd[57944]: Invalid user support from 198.51.100.2 port 61297 Jan 20 08:50:29 linux4ai-server sshd[57944]: Failed password for invalid user support from 198.51.100.2 port 61297 ssh2 Jan 20 08:50:29 linux4ai-server sshd[57944]: Connection closed by invalid user support 198.51.100.2 port 61297 [preauth] Jan 20 08:50:34 linux4ai-server sshd[43517]: Failed password for root from 185.199.110.153 port 49482 ssh2 Jan 20 08:50:34 linux4ai-server sshd[43517]: Connection closed by authenticating user root 185.199.110.153 port 49482 [preauth] Jan 20 08:50:44 linux4ai-server sshd[55150]: Accepted publickey for huangwei from 10.0.0.1 port 55561 ssh2 Jan 20 08:50:44 linux4ai-server systemd-logind[663]: New session 1098 of user huangwei. Jan 20 08:50:44 linux4ai-server sshd[55150]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:50:44 linux4ai-server sshd[55150]: Disconnected from user huangwei 10.0.0.1 port 55561 Jan 20 08:50:44 linux4ai-server sshd[55150]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:50:44 linux4ai-server systemd-logind[663]: Session 1098 logged out. Waiting for processes to exit. Jan 20 08:50:47 linux4ai-server sshd[58615]: Accepted publickey for teacher from 192.168.1.109 port 40130 ssh2 Jan 20 08:50:47 linux4ai-server systemd-logind[569]: New session 5649 of user teacher. Jan 20 08:50:47 linux4ai-server sshd[58615]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:50:47 linux4ai-server sshd[58615]: Disconnected from user teacher 192.168.1.109 port 40130 Jan 20 08:50:47 linux4ai-server sshd[58615]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:50:47 linux4ai-server systemd-logind[569]: Session 5649 logged out. Waiting for processes to exit. Jan 20 08:50:52 linux4ai-server sshd[47565]: Failed password for root from 192.168.1.200 port 59885 ssh2 Jan 20 08:50:52 linux4ai-server sshd[47565]: Received disconnect from 192.168.1.200 port 59885:11: Bye Bye [preauth] Jan 20 08:51:01 linux4ai-server sshd[12411]: Accepted publickey for huangwei from 192.168.1.117 port 61419 ssh2 Jan 20 08:51:01 linux4ai-server systemd-logind[599]: New session 5085 of user huangwei. Jan 20 08:51:01 linux4ai-server sshd[12411]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:51:01 linux4ai-server sshd[12411]: Disconnected from user huangwei 192.168.1.117 port 61419 Jan 20 08:51:01 linux4ai-server sshd[12411]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:51:01 linux4ai-server systemd-logind[599]: Session 5085 logged out. Waiting for processes to exit. Jan 20 08:51:03 linux4ai-server sshd[30963]: Invalid user oracle from 203.0.113.5 port 41915 Jan 20 08:51:03 linux4ai-server sshd[30963]: Failed password for invalid user oracle from 203.0.113.5 port 41915 ssh2 Jan 20 08:51:03 linux4ai-server sshd[30963]: Connection closed by invalid user oracle 203.0.113.5 port 41915 [preauth] Jan 20 08:51:13 linux4ai-server sshd[58104]: Invalid user support from 45.33.22.11 port 49509 Jan 20 08:51:13 linux4ai-server sshd[58104]: Failed password for invalid user support from 45.33.22.11 port 49509 ssh2 Jan 20 08:51:13 linux4ai-server sshd[58104]: Connection closed by invalid user support 45.33.22.11 port 49509 [preauth] Jan 20 08:51:18 linux4ai-server sshd[18502]: Failed password for root from 45.33.22.11 port 56045 ssh2 Jan 20 08:51:18 linux4ai-server sshd[18502]: Received disconnect from 45.33.22.11 port 56045:11: Bye Bye [preauth] Jan 20 08:51:20 linux4ai-server sshd[30210]: Failed password for root from 45.33.22.11 port 40555 ssh2 Jan 20 08:51:20 linux4ai-server sshd[30210]: Received disconnect from 45.33.22.11 port 40555:11: Bye Bye [preauth] Jan 20 08:51:25 linux4ai-server sshd[55417]: Connection closed by 203.0.113.5 port 58196 [preauth] Jan 20 08:51:27 linux4ai-server sshd[47605]: Invalid user support from 45.33.22.11 port 41559 Jan 20 08:51:27 linux4ai-server sshd[47605]: Failed password for invalid user support from 45.33.22.11 port 41559 ssh2 Jan 20 08:51:27 linux4ai-server sshd[47605]: Connection closed by invalid user support 45.33.22.11 port 41559 [preauth] Jan 20 08:51:28 linux4ai-server sshd[41680]: Invalid user test from 198.51.100.2 port 61425 Jan 20 08:51:28 linux4ai-server sshd[41680]: Failed password for invalid user test from 198.51.100.2 port 61425 ssh2 Jan 20 08:51:28 linux4ai-server sshd[41680]: Connection closed by invalid user test 198.51.100.2 port 61425 [preauth] Jan 20 08:51:29 linux4ai-server sshd[10520]: Invalid user postgres from 45.33.22.11 port 34420 Jan 20 08:51:29 linux4ai-server sshd[10520]: Failed password for invalid user postgres from 45.33.22.11 port 34420 ssh2 Jan 20 08:51:29 linux4ai-server sshd[10520]: Connection closed by invalid user postgres 45.33.22.11 port 34420 [preauth] Jan 20 08:51:30 linux4ai-server sshd[19134]: Accepted publickey for dev from 10.0.0.11 port 38095 ssh2 Jan 20 08:51:30 linux4ai-server systemd-logind[759]: New session 6785 of user dev. Jan 20 08:51:30 linux4ai-server sshd[19134]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:51:30 linux4ai-server sshd[19134]: Disconnected from user dev 10.0.0.11 port 38095 Jan 20 08:51:30 linux4ai-server sshd[19134]: pam_unix(sshd:session): session closed for user dev Jan 20 08:51:30 linux4ai-server systemd-logind[759]: Session 6785 logged out. Waiting for processes to exit. Jan 20 08:51:38 linux4ai-server sshd[47922]: Accepted publickey for dev from 192.168.1.108 port 50356 ssh2 Jan 20 08:51:38 linux4ai-server systemd-logind[865]: New session 6441 of user dev. Jan 20 08:51:38 linux4ai-server sshd[47922]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:51:38 linux4ai-server sshd[47922]: Disconnected from user dev 192.168.1.108 port 50356 Jan 20 08:51:38 linux4ai-server sshd[47922]: pam_unix(sshd:session): session closed for user dev Jan 20 08:51:38 linux4ai-server systemd-logind[865]: Session 6441 logged out. Waiting for processes to exit. Jan 20 08:51:43 linux4ai-server sshd[42647]: Invalid user admin from 14.1.2.3 port 59508 Jan 20 08:51:43 linux4ai-server sshd[42647]: Failed password for invalid user admin from 14.1.2.3 port 59508 ssh2 Jan 20 08:51:43 linux4ai-server sshd[42647]: Connection closed by invalid user admin 14.1.2.3 port 59508 [preauth] Jan 20 08:51:50 linux4ai-server sshd[43667]: Invalid user mcserver from 185.199.110.153 port 57152 Jan 20 08:51:50 linux4ai-server sshd[43667]: Failed password for invalid user mcserver from 185.199.110.153 port 57152 ssh2 Jan 20 08:51:50 linux4ai-server sshd[43667]: Connection closed by invalid user mcserver 185.199.110.153 port 57152 [preauth] Jan 20 08:51:53 linux4ai-server sshd[45035]: Failed password for root from 185.199.110.153 port 31392 ssh2 Jan 20 08:51:53 linux4ai-server sshd[45035]: Received disconnect from 185.199.110.153 port 31392:11: Bye Bye [preauth] Jan 20 08:52:00 linux4ai-server sshd[27556]: Invalid user ubnt from 45.33.22.11 port 60290 Jan 20 08:52:00 linux4ai-server sshd[27556]: Failed password for invalid user ubnt from 45.33.22.11 port 60290 ssh2 Jan 20 08:52:00 linux4ai-server sshd[27556]: Connection closed by invalid user ubnt 45.33.22.11 port 60290 [preauth] Jan 20 08:52:03 linux4ai-server sshd[13305]: Invalid user guest from 198.51.100.2 port 50424 Jan 20 08:52:03 linux4ai-server sshd[13305]: Failed password for invalid user guest from 198.51.100.2 port 50424 ssh2 Jan 20 08:52:03 linux4ai-server sshd[13305]: Connection closed by invalid user guest 198.51.100.2 port 50424 [preauth] Jan 20 08:52:04 linux4ai-server sshd[11931]: Invalid user postgres from 198.51.100.2 port 42429 Jan 20 08:52:04 linux4ai-server sshd[11931]: Failed password for invalid user postgres from 198.51.100.2 port 42429 ssh2 Jan 20 08:52:04 linux4ai-server sshd[11931]: Connection closed by invalid user postgres 198.51.100.2 port 42429 [preauth] Jan 20 08:52:08 linux4ai-server sshd[56205]: Invalid user ubnt from 14.1.2.3 port 43837 Jan 20 08:52:08 linux4ai-server sshd[56205]: Failed password for invalid user ubnt from 14.1.2.3 port 43837 ssh2 Jan 20 08:52:08 linux4ai-server sshd[56205]: Connection closed by invalid user ubnt 14.1.2.3 port 43837 [preauth] Jan 20 08:52:15 linux4ai-server sshd[49059]: Failed password for root from 45.33.22.11 port 63109 ssh2 Jan 20 08:52:15 linux4ai-server sshd[49059]: Connection closed by authenticating user root 45.33.22.11 port 63109 [preauth] Jan 20 08:52:25 linux4ai-server sshd[44418]: Invalid user admin from 45.33.22.11 port 33053 Jan 20 08:52:25 linux4ai-server sshd[44418]: Failed password for invalid user admin from 45.33.22.11 port 33053 ssh2 Jan 20 08:52:25 linux4ai-server sshd[44418]: Connection closed by invalid user admin 45.33.22.11 port 33053 [preauth] Jan 20 08:52:32 linux4ai-server sshd[2335]: Failed password for root from 45.33.22.11 port 44423 ssh2 Jan 20 08:52:32 linux4ai-server sshd[2335]: Connection closed by authenticating user root 45.33.22.11 port 44423 [preauth] Jan 20 08:52:39 linux4ai-server sshd[40827]: Accepted publickey for student from 10.0.0.3 port 43856 ssh2 Jan 20 08:52:39 linux4ai-server systemd-logind[821]: New session 1293 of user student. Jan 20 08:52:39 linux4ai-server sshd[40827]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:52:39 linux4ai-server sshd[40827]: Disconnected from user student 10.0.0.3 port 43856 Jan 20 08:52:39 linux4ai-server sshd[40827]: pam_unix(sshd:session): session closed for user student Jan 20 08:52:39 linux4ai-server systemd-logind[821]: Session 1293 logged out. Waiting for processes to exit. Jan 20 08:52:43 linux4ai-server sshd[3491]: Invalid user test from 45.33.22.11 port 39762 Jan 20 08:52:43 linux4ai-server sshd[3491]: Failed password for invalid user test from 45.33.22.11 port 39762 ssh2 Jan 20 08:52:43 linux4ai-server sshd[3491]: Connection closed by invalid user test 45.33.22.11 port 39762 [preauth] Jan 20 08:52:44 linux4ai-server sshd[29856]: Failed password for root from 192.168.1.200 port 35486 ssh2 Jan 20 08:52:44 linux4ai-server sshd[29856]: Connection closed by authenticating user root 192.168.1.200 port 35486 [preauth] Jan 20 08:52:46 linux4ai-server sshd[56688]: Failed password for root from 185.199.110.153 port 47685 ssh2 Jan 20 08:52:46 linux4ai-server sshd[56688]: Connection closed by authenticating user root 185.199.110.153 port 47685 [preauth] Jan 20 08:52:53 linux4ai-server sshd[18384]: Failed password for root from 45.33.22.11 port 34769 ssh2 Jan 20 08:52:53 linux4ai-server sshd[18384]: Received disconnect from 45.33.22.11 port 34769:11: Bye Bye [preauth] Jan 20 08:52:56 linux4ai-server sshd[27814]: Accepted publickey for huangwei from 192.168.1.101 port 44908 ssh2 Jan 20 08:52:56 linux4ai-server systemd-logind[773]: New session 3216 of user huangwei. Jan 20 08:52:56 linux4ai-server sshd[27814]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:52:56 linux4ai-server sshd[27814]: Disconnected from user huangwei 192.168.1.101 port 44908 Jan 20 08:52:56 linux4ai-server sshd[27814]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:52:56 linux4ai-server systemd-logind[773]: Session 3216 logged out. Waiting for processes to exit. Jan 20 08:53:03 linux4ai-server sshd[35417]: Invalid user admin from 198.51.100.2 port 47493 Jan 20 08:53:03 linux4ai-server sshd[35417]: Failed password for invalid user admin from 198.51.100.2 port 47493 ssh2 Jan 20 08:53:03 linux4ai-server sshd[35417]: Connection closed by invalid user admin 198.51.100.2 port 47493 [preauth] Jan 20 08:53:11 linux4ai-server sshd[21769]: Invalid user postgres from 45.33.22.11 port 40741 Jan 20 08:53:11 linux4ai-server sshd[21769]: Failed password for invalid user postgres from 45.33.22.11 port 40741 ssh2 Jan 20 08:53:11 linux4ai-server sshd[21769]: Connection closed by invalid user postgres 45.33.22.11 port 40741 [preauth] Jan 20 08:53:21 linux4ai-server sshd[10304]: Invalid user mcserver from 185.199.110.153 port 51709 Jan 20 08:53:21 linux4ai-server sshd[10304]: Failed password for invalid user mcserver from 185.199.110.153 port 51709 ssh2 Jan 20 08:53:21 linux4ai-server sshd[10304]: Connection closed by invalid user mcserver 185.199.110.153 port 51709 [preauth] Jan 20 08:53:25 linux4ai-server sshd[31830]: Accepted publickey for dev from 10.0.0.16 port 46859 ssh2 Jan 20 08:53:25 linux4ai-server systemd-logind[624]: New session 7491 of user dev. Jan 20 08:53:25 linux4ai-server sshd[31830]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:53:25 linux4ai-server sshd[31830]: Disconnected from user dev 10.0.0.16 port 46859 Jan 20 08:53:25 linux4ai-server sshd[31830]: pam_unix(sshd:session): session closed for user dev Jan 20 08:53:25 linux4ai-server systemd-logind[624]: Session 7491 logged out. Waiting for processes to exit. Jan 20 08:53:32 linux4ai-server sshd[10757]: Invalid user test from 192.168.1.200 port 40039 Jan 20 08:53:32 linux4ai-server sshd[10757]: Failed password for invalid user test from 192.168.1.200 port 40039 ssh2 Jan 20 08:53:32 linux4ai-server sshd[10757]: Connection closed by invalid user test 192.168.1.200 port 40039 [preauth] Jan 20 08:53:39 linux4ai-server sshd[55683]: Invalid user mcserver from 45.33.22.11 port 38090 Jan 20 08:53:39 linux4ai-server sshd[55683]: Failed password for invalid user mcserver from 45.33.22.11 port 38090 ssh2 Jan 20 08:53:39 linux4ai-server sshd[55683]: Connection closed by invalid user mcserver 45.33.22.11 port 38090 [preauth] Jan 20 08:53:41 linux4ai-server sshd[18495]: Failed password for root from 14.1.2.3 port 45632 ssh2 Jan 20 08:53:41 linux4ai-server sshd[18495]: Received disconnect from 14.1.2.3 port 45632:11: Bye Bye [preauth] Jan 20 08:53:50 linux4ai-server sshd[41052]: Invalid user admin from 185.199.110.153 port 54535 Jan 20 08:53:50 linux4ai-server sshd[41052]: Failed password for invalid user admin from 185.199.110.153 port 54535 ssh2 Jan 20 08:53:50 linux4ai-server sshd[41052]: Connection closed by invalid user admin 185.199.110.153 port 54535 [preauth] Jan 20 08:53:53 linux4ai-server sshd[52879]: Invalid user test from 45.33.22.11 port 36197 Jan 20 08:53:53 linux4ai-server sshd[52879]: Failed password for invalid user test from 45.33.22.11 port 36197 ssh2 Jan 20 08:53:53 linux4ai-server sshd[52879]: Connection closed by invalid user test 45.33.22.11 port 36197 [preauth] Jan 20 08:54:01 linux4ai-server sshd[44659]: Accepted publickey for student from 192.168.1.107 port 52100 ssh2 Jan 20 08:54:01 linux4ai-server systemd-logind[655]: New session 7381 of user student. Jan 20 08:54:01 linux4ai-server sshd[44659]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:54:01 linux4ai-server sshd[44659]: Disconnected from user student 192.168.1.107 port 52100 Jan 20 08:54:01 linux4ai-server sshd[44659]: pam_unix(sshd:session): session closed for user student Jan 20 08:54:01 linux4ai-server systemd-logind[655]: Session 7381 logged out. Waiting for processes to exit. Jan 20 08:54:11 linux4ai-server sshd[48613]: Failed password for root from 192.168.1.200 port 46871 ssh2 Jan 20 08:54:11 linux4ai-server sshd[48613]: Connection closed by authenticating user root 192.168.1.200 port 46871 [preauth] Jan 20 08:54:14 linux4ai-server sshd[21445]: Invalid user admin from 185.199.110.153 port 51559 Jan 20 08:54:14 linux4ai-server sshd[21445]: Failed password for invalid user admin from 185.199.110.153 port 51559 ssh2 Jan 20 08:54:14 linux4ai-server sshd[21445]: Connection closed by invalid user admin 185.199.110.153 port 51559 [preauth] Jan 20 08:54:16 linux4ai-server sshd[6717]: Invalid user root from 45.33.22.11 port 37539 Jan 20 08:54:16 linux4ai-server sshd[6717]: Failed password for invalid user root from 45.33.22.11 port 37539 ssh2 Jan 20 08:54:16 linux4ai-server sshd[6717]: Connection closed by invalid user root 45.33.22.11 port 37539 [preauth] Jan 20 08:54:21 linux4ai-server sshd[54877]: Invalid user admin from 45.33.22.11 port 44485 Jan 20 08:54:21 linux4ai-server sshd[54877]: Failed password for invalid user admin from 45.33.22.11 port 44485 ssh2 Jan 20 08:54:21 linux4ai-server sshd[54877]: Connection closed by invalid user admin 45.33.22.11 port 44485 [preauth] Jan 20 08:54:22 linux4ai-server sshd[22716]: Invalid user root from 45.33.22.11 port 44375 Jan 20 08:54:22 linux4ai-server sshd[22716]: Failed password for invalid user root from 45.33.22.11 port 44375 ssh2 Jan 20 08:54:22 linux4ai-server sshd[22716]: Connection closed by invalid user root 45.33.22.11 port 44375 [preauth] Jan 20 08:54:29 linux4ai-server sshd[57688]: Invalid user root from 45.33.22.11 port 38802 Jan 20 08:54:29 linux4ai-server sshd[57688]: Failed password for invalid user root from 45.33.22.11 port 38802 ssh2 Jan 20 08:54:29 linux4ai-server sshd[57688]: Connection closed by invalid user root 45.33.22.11 port 38802 [preauth] Jan 20 08:54:33 linux4ai-server sshd[29543]: Accepted publickey for dev from 192.168.1.119 port 59352 ssh2 Jan 20 08:54:33 linux4ai-server systemd-logind[667]: New session 8196 of user dev. Jan 20 08:54:33 linux4ai-server sshd[29543]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 08:54:33 linux4ai-server sshd[29543]: Disconnected from user dev 192.168.1.119 port 59352 Jan 20 08:54:33 linux4ai-server sshd[29543]: pam_unix(sshd:session): session closed for user dev Jan 20 08:54:33 linux4ai-server systemd-logind[667]: Session 8196 logged out. Waiting for processes to exit. Jan 20 08:54:35 linux4ai-server sshd[8235]: Invalid user guest from 192.168.1.200 port 46634 Jan 20 08:54:35 linux4ai-server sshd[8235]: Failed password for invalid user guest from 192.168.1.200 port 46634 ssh2 Jan 20 08:54:35 linux4ai-server sshd[8235]: Connection closed by invalid user guest 192.168.1.200 port 46634 [preauth] Jan 20 08:54:44 linux4ai-server sshd[49883]: Failed password for root from 203.0.113.5 port 48394 ssh2 Jan 20 08:54:44 linux4ai-server sshd[49883]: Received disconnect from 203.0.113.5 port 48394:11: Bye Bye [preauth] Jan 20 08:54:51 linux4ai-server sshd[6164]: Failed password for root from 203.0.113.5 port 52764 ssh2 Jan 20 08:54:51 linux4ai-server sshd[6164]: Received disconnect from 203.0.113.5 port 52764:11: Bye Bye [preauth] Jan 20 08:54:58 linux4ai-server sshd[23714]: Invalid user oracle from 14.1.2.3 port 58923 Jan 20 08:54:58 linux4ai-server sshd[23714]: Failed password for invalid user oracle from 14.1.2.3 port 58923 ssh2 Jan 20 08:54:58 linux4ai-server sshd[23714]: Connection closed by invalid user oracle 14.1.2.3 port 58923 [preauth] Jan 20 08:55:03 linux4ai-server sshd[8498]: Invalid user test from 185.199.110.153 port 48311 Jan 20 08:55:03 linux4ai-server sshd[8498]: Failed password for invalid user test from 185.199.110.153 port 48311 ssh2 Jan 20 08:55:03 linux4ai-server sshd[8498]: Connection closed by invalid user test 185.199.110.153 port 48311 [preauth] Jan 20 08:55:12 linux4ai-server sshd[16934]: Connection closed by 192.168.1.200 port 32062 [preauth] Jan 20 08:55:22 linux4ai-server sshd[49046]: Connection closed by 198.51.100.2 port 54660 [preauth] Jan 20 08:55:25 linux4ai-server sshd[47281]: Accepted publickey for ops from 10.0.0.10 port 52934 ssh2 Jan 20 08:55:25 linux4ai-server systemd-logind[639]: New session 4625 of user ops. Jan 20 08:55:25 linux4ai-server sshd[47281]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:55:25 linux4ai-server sshd[47281]: Disconnected from user ops 10.0.0.10 port 52934 Jan 20 08:55:25 linux4ai-server sshd[47281]: pam_unix(sshd:session): session closed for user ops Jan 20 08:55:25 linux4ai-server systemd-logind[639]: Session 4625 logged out. Waiting for processes to exit. Jan 20 08:55:35 linux4ai-server sshd[50943]: Invalid user root from 45.33.22.11 port 46013 Jan 20 08:55:35 linux4ai-server sshd[50943]: Failed password for invalid user root from 45.33.22.11 port 46013 ssh2 Jan 20 08:55:35 linux4ai-server sshd[50943]: Connection closed by invalid user root 45.33.22.11 port 46013 [preauth] Jan 20 08:55:41 linux4ai-server sshd[2873]: Invalid user admin from 192.168.1.200 port 56740 Jan 20 08:55:41 linux4ai-server sshd[2873]: Failed password for invalid user admin from 192.168.1.200 port 56740 ssh2 Jan 20 08:55:41 linux4ai-server sshd[2873]: Connection closed by invalid user admin 192.168.1.200 port 56740 [preauth] Jan 20 08:55:49 linux4ai-server sshd[53305]: Invalid user ubnt from 203.0.113.5 port 48307 Jan 20 08:55:49 linux4ai-server sshd[53305]: Failed password for invalid user ubnt from 203.0.113.5 port 48307 ssh2 Jan 20 08:55:49 linux4ai-server sshd[53305]: Connection closed by invalid user ubnt 203.0.113.5 port 48307 [preauth] Jan 20 08:55:53 linux4ai-server sshd[27725]: Failed password for root from 45.33.22.11 port 59565 ssh2 Jan 20 08:55:53 linux4ai-server sshd[27725]: Connection closed by authenticating user root 45.33.22.11 port 59565 [preauth] Jan 20 08:55:54 linux4ai-server sshd[34661]: Invalid user ubnt from 192.168.1.200 port 57237 Jan 20 08:55:54 linux4ai-server sshd[34661]: Failed password for invalid user ubnt from 192.168.1.200 port 57237 ssh2 Jan 20 08:55:54 linux4ai-server sshd[34661]: Connection closed by invalid user ubnt 192.168.1.200 port 57237 [preauth] Jan 20 08:56:00 linux4ai-server sshd[19101]: Invalid user admin from 45.33.22.11 port 38000 Jan 20 08:56:00 linux4ai-server sshd[19101]: Failed password for invalid user admin from 45.33.22.11 port 38000 ssh2 Jan 20 08:56:00 linux4ai-server sshd[19101]: Connection closed by invalid user admin 45.33.22.11 port 38000 [preauth] Jan 20 08:56:04 linux4ai-server sshd[12379]: Invalid user postgres from 192.168.1.200 port 64296 Jan 20 08:56:04 linux4ai-server sshd[12379]: Failed password for invalid user postgres from 192.168.1.200 port 64296 ssh2 Jan 20 08:56:04 linux4ai-server sshd[12379]: Connection closed by invalid user postgres 192.168.1.200 port 64296 [preauth] Jan 20 08:56:07 linux4ai-server sshd[10379]: Invalid user root from 45.33.22.11 port 42348 Jan 20 08:56:07 linux4ai-server sshd[10379]: Failed password for invalid user root from 45.33.22.11 port 42348 ssh2 Jan 20 08:56:07 linux4ai-server sshd[10379]: Connection closed by invalid user root 45.33.22.11 port 42348 [preauth] Jan 20 08:56:15 linux4ai-server sshd[30321]: Invalid user mcserver from 192.168.1.200 port 54657 Jan 20 08:56:15 linux4ai-server sshd[30321]: Failed password for invalid user mcserver from 192.168.1.200 port 54657 ssh2 Jan 20 08:56:15 linux4ai-server sshd[30321]: Connection closed by invalid user mcserver 192.168.1.200 port 54657 [preauth] Jan 20 08:56:22 linux4ai-server sshd[8450]: Connection closed by 203.0.113.5 port 63092 [preauth] Jan 20 08:56:26 linux4ai-server sshd[49008]: Failed password for root from 192.168.1.200 port 63981 ssh2 Jan 20 08:56:26 linux4ai-server sshd[49008]: Connection closed by authenticating user root 192.168.1.200 port 63981 [preauth] Jan 20 08:56:29 linux4ai-server sshd[6916]: Invalid user guest from 192.168.1.200 port 40699 Jan 20 08:56:29 linux4ai-server sshd[6916]: Failed password for invalid user guest from 192.168.1.200 port 40699 ssh2 Jan 20 08:56:29 linux4ai-server sshd[6916]: Connection closed by invalid user guest 192.168.1.200 port 40699 [preauth] Jan 20 08:56:31 linux4ai-server sshd[30742]: Accepted publickey for teacher from 10.0.0.11 port 59538 ssh2 Jan 20 08:56:31 linux4ai-server systemd-logind[781]: New session 280 of user teacher. Jan 20 08:56:31 linux4ai-server sshd[30742]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:56:31 linux4ai-server sshd[30742]: Disconnected from user teacher 10.0.0.11 port 59538 Jan 20 08:56:31 linux4ai-server sshd[30742]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:56:31 linux4ai-server systemd-logind[781]: Session 280 logged out. Waiting for processes to exit. Jan 20 08:56:36 linux4ai-server sshd[49205]: Accepted publickey for huangwei from 10.0.0.10 port 42895 ssh2 Jan 20 08:56:36 linux4ai-server systemd-logind[600]: New session 5952 of user huangwei. Jan 20 08:56:36 linux4ai-server sshd[49205]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 08:56:36 linux4ai-server sshd[49205]: Disconnected from user huangwei 10.0.0.10 port 42895 Jan 20 08:56:36 linux4ai-server sshd[49205]: pam_unix(sshd:session): session closed for user huangwei Jan 20 08:56:36 linux4ai-server systemd-logind[600]: Session 5952 logged out. Waiting for processes to exit. Jan 20 08:56:46 linux4ai-server sshd[37956]: Invalid user test from 192.168.1.200 port 42318 Jan 20 08:56:46 linux4ai-server sshd[37956]: Failed password for invalid user test from 192.168.1.200 port 42318 ssh2 Jan 20 08:56:46 linux4ai-server sshd[37956]: Connection closed by invalid user test 192.168.1.200 port 42318 [preauth] Jan 20 08:56:48 linux4ai-server sshd[54915]: Invalid user support from 203.0.113.5 port 48053 Jan 20 08:56:48 linux4ai-server sshd[54915]: Failed password for invalid user support from 203.0.113.5 port 48053 ssh2 Jan 20 08:56:48 linux4ai-server sshd[54915]: Connection closed by invalid user support 203.0.113.5 port 48053 [preauth] Jan 20 08:56:50 linux4ai-server sshd[26541]: Connection closed by 185.199.110.153 port 57489 [preauth] Jan 20 08:56:57 linux4ai-server sshd[40362]: Accepted publickey for student from 192.168.1.108 port 32726 ssh2 Jan 20 08:56:57 linux4ai-server systemd-logind[878]: New session 4427 of user student. Jan 20 08:56:57 linux4ai-server sshd[40362]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:56:57 linux4ai-server sshd[40362]: Disconnected from user student 192.168.1.108 port 32726 Jan 20 08:56:57 linux4ai-server sshd[40362]: pam_unix(sshd:session): session closed for user student Jan 20 08:56:57 linux4ai-server systemd-logind[878]: Session 4427 logged out. Waiting for processes to exit. Jan 20 08:56:59 linux4ai-server sshd[50731]: Invalid user mcserver from 45.33.22.11 port 30811 Jan 20 08:56:59 linux4ai-server sshd[50731]: Failed password for invalid user mcserver from 45.33.22.11 port 30811 ssh2 Jan 20 08:56:59 linux4ai-server sshd[50731]: Connection closed by invalid user mcserver 45.33.22.11 port 30811 [preauth] Jan 20 08:57:02 linux4ai-server sshd[54959]: Accepted publickey for student from 10.0.0.2 port 48999 ssh2 Jan 20 08:57:02 linux4ai-server systemd-logind[565]: New session 3703 of user student. Jan 20 08:57:02 linux4ai-server sshd[54959]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:57:02 linux4ai-server sshd[54959]: Disconnected from user student 10.0.0.2 port 48999 Jan 20 08:57:02 linux4ai-server sshd[54959]: pam_unix(sshd:session): session closed for user student Jan 20 08:57:02 linux4ai-server systemd-logind[565]: Session 3703 logged out. Waiting for processes to exit. Jan 20 08:57:03 linux4ai-server sshd[32890]: Invalid user admin from 203.0.113.5 port 32729 Jan 20 08:57:03 linux4ai-server sshd[32890]: Failed password for invalid user admin from 203.0.113.5 port 32729 ssh2 Jan 20 08:57:03 linux4ai-server sshd[32890]: Connection closed by invalid user admin 203.0.113.5 port 32729 [preauth] Jan 20 08:57:05 linux4ai-server sshd[6632]: Invalid user oracle from 185.199.110.153 port 40853 Jan 20 08:57:05 linux4ai-server sshd[6632]: Failed password for invalid user oracle from 185.199.110.153 port 40853 ssh2 Jan 20 08:57:05 linux4ai-server sshd[6632]: Connection closed by invalid user oracle 185.199.110.153 port 40853 [preauth] Jan 20 08:57:14 linux4ai-server sshd[4920]: Connection closed by 45.33.22.11 port 53500 [preauth] Jan 20 08:57:23 linux4ai-server sshd[11232]: Invalid user root from 185.199.110.153 port 61099 Jan 20 08:57:23 linux4ai-server sshd[11232]: Failed password for invalid user root from 185.199.110.153 port 61099 ssh2 Jan 20 08:57:23 linux4ai-server sshd[11232]: Connection closed by invalid user root 185.199.110.153 port 61099 [preauth] Jan 20 08:57:26 linux4ai-server sshd[33801]: Connection closed by 192.168.1.200 port 46772 [preauth] Jan 20 08:57:27 linux4ai-server sshd[33661]: Failed password for root from 192.168.1.200 port 48115 ssh2 Jan 20 08:57:27 linux4ai-server sshd[33661]: Received disconnect from 192.168.1.200 port 48115:11: Bye Bye [preauth] Jan 20 08:57:32 linux4ai-server sshd[32029]: Connection closed by 185.199.110.153 port 55818 [preauth] Jan 20 08:57:40 linux4ai-server sshd[25395]: Failed password for root from 192.168.1.200 port 34998 ssh2 Jan 20 08:57:40 linux4ai-server sshd[25395]: Connection closed by authenticating user root 192.168.1.200 port 34998 [preauth] Jan 20 08:57:50 linux4ai-server sshd[56266]: Connection closed by 192.168.1.200 port 34809 [preauth] Jan 20 08:57:59 linux4ai-server sshd[57186]: Accepted publickey for ops from 10.0.0.2 port 51996 ssh2 Jan 20 08:57:59 linux4ai-server systemd-logind[823]: New session 7387 of user ops. Jan 20 08:57:59 linux4ai-server sshd[57186]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:57:59 linux4ai-server sshd[57186]: Disconnected from user ops 10.0.0.2 port 51996 Jan 20 08:57:59 linux4ai-server sshd[57186]: pam_unix(sshd:session): session closed for user ops Jan 20 08:57:59 linux4ai-server systemd-logind[823]: Session 7387 logged out. Waiting for processes to exit. Jan 20 08:58:04 linux4ai-server sshd[33120]: Invalid user oracle from 203.0.113.5 port 52968 Jan 20 08:58:04 linux4ai-server sshd[33120]: Failed password for invalid user oracle from 203.0.113.5 port 52968 ssh2 Jan 20 08:58:04 linux4ai-server sshd[33120]: Connection closed by invalid user oracle 203.0.113.5 port 52968 [preauth] Jan 20 08:58:14 linux4ai-server sshd[45661]: Invalid user oracle from 192.168.1.200 port 32900 Jan 20 08:58:14 linux4ai-server sshd[45661]: Failed password for invalid user oracle from 192.168.1.200 port 32900 ssh2 Jan 20 08:58:14 linux4ai-server sshd[45661]: Connection closed by invalid user oracle 192.168.1.200 port 32900 [preauth] Jan 20 08:58:23 linux4ai-server sshd[48590]: Invalid user postgres from 45.33.22.11 port 42912 Jan 20 08:58:23 linux4ai-server sshd[48590]: Failed password for invalid user postgres from 45.33.22.11 port 42912 ssh2 Jan 20 08:58:23 linux4ai-server sshd[48590]: Connection closed by invalid user postgres 45.33.22.11 port 42912 [preauth] Jan 20 08:58:29 linux4ai-server sshd[39068]: Accepted publickey for student from 10.0.0.2 port 54207 ssh2 Jan 20 08:58:29 linux4ai-server systemd-logind[865]: New session 3283 of user student. Jan 20 08:58:29 linux4ai-server sshd[39068]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:58:29 linux4ai-server sshd[39068]: Disconnected from user student 10.0.0.2 port 54207 Jan 20 08:58:29 linux4ai-server sshd[39068]: pam_unix(sshd:session): session closed for user student Jan 20 08:58:29 linux4ai-server systemd-logind[865]: Session 3283 logged out. Waiting for processes to exit. Jan 20 08:58:39 linux4ai-server sshd[25362]: Invalid user ubnt from 185.199.110.153 port 45778 Jan 20 08:58:39 linux4ai-server sshd[25362]: Failed password for invalid user ubnt from 185.199.110.153 port 45778 ssh2 Jan 20 08:58:39 linux4ai-server sshd[25362]: Connection closed by invalid user ubnt 185.199.110.153 port 45778 [preauth] Jan 20 08:58:40 linux4ai-server sshd[37378]: Invalid user guest from 185.199.110.153 port 56690 Jan 20 08:58:40 linux4ai-server sshd[37378]: Failed password for invalid user guest from 185.199.110.153 port 56690 ssh2 Jan 20 08:58:40 linux4ai-server sshd[37378]: Connection closed by invalid user guest 185.199.110.153 port 56690 [preauth] Jan 20 08:58:43 linux4ai-server sshd[24610]: Connection closed by 192.168.1.200 port 39336 [preauth] Jan 20 08:58:50 linux4ai-server sshd[12584]: Failed password for root from 203.0.113.5 port 64251 ssh2 Jan 20 08:58:50 linux4ai-server sshd[12584]: Received disconnect from 203.0.113.5 port 64251:11: Bye Bye [preauth] Jan 20 08:58:56 linux4ai-server sshd[51832]: Accepted publickey for student from 10.0.0.9 port 47793 ssh2 Jan 20 08:58:56 linux4ai-server systemd-logind[658]: New session 6528 of user student. Jan 20 08:58:56 linux4ai-server sshd[51832]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 08:58:56 linux4ai-server sshd[51832]: Disconnected from user student 10.0.0.9 port 47793 Jan 20 08:58:56 linux4ai-server sshd[51832]: pam_unix(sshd:session): session closed for user student Jan 20 08:58:56 linux4ai-server systemd-logind[658]: Session 6528 logged out. Waiting for processes to exit. Jan 20 08:58:58 linux4ai-server sshd[29198]: Connection closed by 220.181.38.148 port 34590 [preauth] Jan 20 08:59:07 linux4ai-server sshd[22779]: Invalid user postgres from 192.168.1.200 port 30030 Jan 20 08:59:07 linux4ai-server sshd[22779]: Failed password for invalid user postgres from 192.168.1.200 port 30030 ssh2 Jan 20 08:59:07 linux4ai-server sshd[22779]: Connection closed by invalid user postgres 192.168.1.200 port 30030 [preauth] Jan 20 08:59:15 linux4ai-server sshd[11015]: Invalid user admin from 192.168.1.200 port 45238 Jan 20 08:59:15 linux4ai-server sshd[11015]: Failed password for invalid user admin from 192.168.1.200 port 45238 ssh2 Jan 20 08:59:15 linux4ai-server sshd[11015]: Connection closed by invalid user admin 192.168.1.200 port 45238 [preauth] Jan 20 08:59:18 linux4ai-server sshd[4070]: Failed password for root from 192.168.1.200 port 38690 ssh2 Jan 20 08:59:18 linux4ai-server sshd[4070]: Received disconnect from 192.168.1.200 port 38690:11: Bye Bye [preauth] Jan 20 08:59:20 linux4ai-server sshd[53230]: Invalid user ubnt from 203.0.113.5 port 33010 Jan 20 08:59:20 linux4ai-server sshd[53230]: Failed password for invalid user ubnt from 203.0.113.5 port 33010 ssh2 Jan 20 08:59:20 linux4ai-server sshd[53230]: Connection closed by invalid user ubnt 203.0.113.5 port 33010 [preauth] Jan 20 08:59:25 linux4ai-server sshd[19976]: Accepted publickey for teacher from 192.168.1.108 port 55597 ssh2 Jan 20 08:59:25 linux4ai-server systemd-logind[841]: New session 4911 of user teacher. Jan 20 08:59:25 linux4ai-server sshd[19976]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:59:25 linux4ai-server sshd[19976]: Disconnected from user teacher 192.168.1.108 port 55597 Jan 20 08:59:25 linux4ai-server sshd[19976]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:59:25 linux4ai-server systemd-logind[841]: Session 4911 logged out. Waiting for processes to exit. Jan 20 08:59:27 linux4ai-server sshd[10066]: Accepted publickey for ops from 10.0.0.11 port 40200 ssh2 Jan 20 08:59:27 linux4ai-server systemd-logind[717]: New session 4037 of user ops. Jan 20 08:59:27 linux4ai-server sshd[10066]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 08:59:27 linux4ai-server sshd[10066]: Disconnected from user ops 10.0.0.11 port 40200 Jan 20 08:59:27 linux4ai-server sshd[10066]: pam_unix(sshd:session): session closed for user ops Jan 20 08:59:27 linux4ai-server systemd-logind[717]: Session 4037 logged out. Waiting for processes to exit. Jan 20 08:59:37 linux4ai-server sshd[27106]: Invalid user support from 45.33.22.11 port 47623 Jan 20 08:59:37 linux4ai-server sshd[27106]: Failed password for invalid user support from 45.33.22.11 port 47623 ssh2 Jan 20 08:59:37 linux4ai-server sshd[27106]: Connection closed by invalid user support 45.33.22.11 port 47623 [preauth] Jan 20 08:59:43 linux4ai-server sshd[41954]: Invalid user mcserver from 185.199.110.153 port 30897 Jan 20 08:59:43 linux4ai-server sshd[41954]: Failed password for invalid user mcserver from 185.199.110.153 port 30897 ssh2 Jan 20 08:59:43 linux4ai-server sshd[41954]: Connection closed by invalid user mcserver 185.199.110.153 port 30897 [preauth] Jan 20 08:59:44 linux4ai-server sshd[58181]: Accepted publickey for teacher from 192.168.1.118 port 46720 ssh2 Jan 20 08:59:44 linux4ai-server systemd-logind[731]: New session 4080 of user teacher. Jan 20 08:59:44 linux4ai-server sshd[58181]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 08:59:44 linux4ai-server sshd[58181]: Disconnected from user teacher 192.168.1.118 port 46720 Jan 20 08:59:44 linux4ai-server sshd[58181]: pam_unix(sshd:session): session closed for user teacher Jan 20 08:59:44 linux4ai-server systemd-logind[731]: Session 4080 logged out. Waiting for processes to exit. Jan 20 08:59:54 linux4ai-server sshd[24075]: Invalid user test from 198.51.100.2 port 49958 Jan 20 08:59:54 linux4ai-server sshd[24075]: Failed password for invalid user test from 198.51.100.2 port 49958 ssh2 Jan 20 08:59:54 linux4ai-server sshd[24075]: Connection closed by invalid user test 198.51.100.2 port 49958 [preauth] Jan 20 09:00:04 linux4ai-server sshd[15631]: Invalid user ubnt from 192.168.1.200 port 55589 Jan 20 09:00:04 linux4ai-server sshd[15631]: Failed password for invalid user ubnt from 192.168.1.200 port 55589 ssh2 Jan 20 09:00:04 linux4ai-server sshd[15631]: Connection closed by invalid user ubnt 192.168.1.200 port 55589 [preauth] Jan 20 09:00:13 linux4ai-server sshd[20543]: Accepted publickey for teacher from 10.0.0.2 port 41676 ssh2 Jan 20 09:00:13 linux4ai-server systemd-logind[605]: New session 3652 of user teacher. Jan 20 09:00:13 linux4ai-server sshd[20543]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:00:13 linux4ai-server sshd[20543]: Disconnected from user teacher 10.0.0.2 port 41676 Jan 20 09:00:13 linux4ai-server sshd[20543]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:00:13 linux4ai-server systemd-logind[605]: Session 3652 logged out. Waiting for processes to exit. Jan 20 09:00:17 linux4ai-server sshd[3702]: Invalid user admin from 203.0.113.5 port 41785 Jan 20 09:00:17 linux4ai-server sshd[3702]: Failed password for invalid user admin from 203.0.113.5 port 41785 ssh2 Jan 20 09:00:17 linux4ai-server sshd[3702]: Connection closed by invalid user admin 203.0.113.5 port 41785 [preauth] Jan 20 09:00:21 linux4ai-server sshd[58501]: Accepted publickey for huangwei from 10.0.0.5 port 38877 ssh2 Jan 20 09:00:21 linux4ai-server systemd-logind[722]: New session 6550 of user huangwei. Jan 20 09:00:21 linux4ai-server sshd[58501]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 09:00:21 linux4ai-server sshd[58501]: Disconnected from user huangwei 10.0.0.5 port 38877 Jan 20 09:00:21 linux4ai-server sshd[58501]: pam_unix(sshd:session): session closed for user huangwei Jan 20 09:00:21 linux4ai-server systemd-logind[722]: Session 6550 logged out. Waiting for processes to exit. Jan 20 09:00:27 linux4ai-server sshd[10673]: Connection closed by 203.0.113.5 port 39748 [preauth] Jan 20 09:00:37 linux4ai-server sshd[11624]: Invalid user oracle from 14.1.2.3 port 54619 Jan 20 09:00:37 linux4ai-server sshd[11624]: Failed password for invalid user oracle from 14.1.2.3 port 54619 ssh2 Jan 20 09:00:37 linux4ai-server sshd[11624]: Connection closed by invalid user oracle 14.1.2.3 port 54619 [preauth] Jan 20 09:00:46 linux4ai-server sshd[22222]: Accepted publickey for huangwei from 192.168.1.105 port 61408 ssh2 Jan 20 09:00:46 linux4ai-server systemd-logind[748]: New session 919 of user huangwei. Jan 20 09:00:46 linux4ai-server sshd[22222]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 09:00:46 linux4ai-server sshd[22222]: Disconnected from user huangwei 192.168.1.105 port 61408 Jan 20 09:00:46 linux4ai-server sshd[22222]: pam_unix(sshd:session): session closed for user huangwei Jan 20 09:00:46 linux4ai-server systemd-logind[748]: Session 919 logged out. Waiting for processes to exit. Jan 20 09:00:49 linux4ai-server sshd[15998]: Invalid user ubnt from 192.168.1.200 port 44494 Jan 20 09:00:49 linux4ai-server sshd[15998]: Failed password for invalid user ubnt from 192.168.1.200 port 44494 ssh2 Jan 20 09:00:49 linux4ai-server sshd[15998]: Connection closed by invalid user ubnt 192.168.1.200 port 44494 [preauth] Jan 20 09:00:55 linux4ai-server sshd[33667]: Connection closed by 45.33.22.11 port 58356 [preauth] Jan 20 09:00:58 linux4ai-server sshd[8996]: Accepted publickey for huangwei from 10.0.0.18 port 31274 ssh2 Jan 20 09:00:58 linux4ai-server systemd-logind[533]: New session 3003 of user huangwei. Jan 20 09:00:58 linux4ai-server sshd[8996]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 09:00:58 linux4ai-server sshd[8996]: Disconnected from user huangwei 10.0.0.18 port 31274 Jan 20 09:00:58 linux4ai-server sshd[8996]: pam_unix(sshd:session): session closed for user huangwei Jan 20 09:00:58 linux4ai-server systemd-logind[533]: Session 3003 logged out. Waiting for processes to exit. Jan 20 09:01:02 linux4ai-server sshd[3376]: Accepted publickey for teacher from 192.168.1.113 port 38276 ssh2 Jan 20 09:01:02 linux4ai-server systemd-logind[625]: New session 4435 of user teacher. Jan 20 09:01:02 linux4ai-server sshd[3376]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:01:02 linux4ai-server sshd[3376]: Disconnected from user teacher 192.168.1.113 port 38276 Jan 20 09:01:02 linux4ai-server sshd[3376]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:01:02 linux4ai-server systemd-logind[625]: Session 4435 logged out. Waiting for processes to exit. Jan 20 09:01:04 linux4ai-server sshd[43604]: Failed password for root from 45.33.22.11 port 62898 ssh2 Jan 20 09:01:04 linux4ai-server sshd[43604]: Received disconnect from 45.33.22.11 port 62898:11: Bye Bye [preauth] Jan 20 09:01:14 linux4ai-server sshd[48298]: Failed password for root from 192.168.1.200 port 54097 ssh2 Jan 20 09:01:14 linux4ai-server sshd[48298]: Received disconnect from 192.168.1.200 port 54097:11: Bye Bye [preauth] Jan 20 09:01:16 linux4ai-server sshd[13205]: Invalid user test from 198.51.100.2 port 42861 Jan 20 09:01:16 linux4ai-server sshd[13205]: Failed password for invalid user test from 198.51.100.2 port 42861 ssh2 Jan 20 09:01:16 linux4ai-server sshd[13205]: Connection closed by invalid user test 198.51.100.2 port 42861 [preauth] Jan 20 09:01:22 linux4ai-server sshd[2707]: Accepted publickey for student from 192.168.1.115 port 34335 ssh2 Jan 20 09:01:22 linux4ai-server systemd-logind[659]: New session 3520 of user student. Jan 20 09:01:22 linux4ai-server sshd[2707]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 09:01:22 linux4ai-server sshd[2707]: Disconnected from user student 192.168.1.115 port 34335 Jan 20 09:01:22 linux4ai-server sshd[2707]: pam_unix(sshd:session): session closed for user student Jan 20 09:01:22 linux4ai-server systemd-logind[659]: Session 3520 logged out. Waiting for processes to exit. Jan 20 09:01:31 linux4ai-server sshd[22041]: Invalid user root from 192.168.1.200 port 41752 Jan 20 09:01:31 linux4ai-server sshd[22041]: Failed password for invalid user root from 192.168.1.200 port 41752 ssh2 Jan 20 09:01:31 linux4ai-server sshd[22041]: Connection closed by invalid user root 192.168.1.200 port 41752 [preauth] Jan 20 09:01:40 linux4ai-server sshd[49068]: Invalid user postgres from 192.168.1.200 port 35367 Jan 20 09:01:40 linux4ai-server sshd[49068]: Failed password for invalid user postgres from 192.168.1.200 port 35367 ssh2 Jan 20 09:01:40 linux4ai-server sshd[49068]: Connection closed by invalid user postgres 192.168.1.200 port 35367 [preauth] Jan 20 09:01:44 linux4ai-server sshd[55339]: Invalid user admin from 192.168.1.200 port 40764 Jan 20 09:01:44 linux4ai-server sshd[55339]: Failed password for invalid user admin from 192.168.1.200 port 40764 ssh2 Jan 20 09:01:44 linux4ai-server sshd[55339]: Connection closed by invalid user admin 192.168.1.200 port 40764 [preauth] Jan 20 09:01:49 linux4ai-server sshd[17076]: Connection closed by 45.33.22.11 port 57734 [preauth] Jan 20 09:01:52 linux4ai-server sshd[24775]: Failed password for root from 45.33.22.11 port 47442 ssh2 Jan 20 09:01:52 linux4ai-server sshd[24775]: Connection closed by authenticating user root 45.33.22.11 port 47442 [preauth] Jan 20 09:02:00 linux4ai-server sshd[33472]: Connection closed by 192.168.1.200 port 48454 [preauth] Jan 20 09:02:01 linux4ai-server sshd[55772]: Invalid user guest from 45.33.22.11 port 36135 Jan 20 09:02:01 linux4ai-server sshd[55772]: Failed password for invalid user guest from 45.33.22.11 port 36135 ssh2 Jan 20 09:02:01 linux4ai-server sshd[55772]: Connection closed by invalid user guest 45.33.22.11 port 36135 [preauth] Jan 20 09:02:04 linux4ai-server sshd[51640]: Accepted publickey for huangwei from 192.168.1.114 port 45583 ssh2 Jan 20 09:02:04 linux4ai-server systemd-logind[507]: New session 4661 of user huangwei. Jan 20 09:02:04 linux4ai-server sshd[51640]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 09:02:04 linux4ai-server sshd[51640]: Disconnected from user huangwei 192.168.1.114 port 45583 Jan 20 09:02:04 linux4ai-server sshd[51640]: pam_unix(sshd:session): session closed for user huangwei Jan 20 09:02:04 linux4ai-server systemd-logind[507]: Session 4661 logged out. Waiting for processes to exit. Jan 20 09:02:08 linux4ai-server sshd[39936]: Connection closed by 14.1.2.3 port 34671 [preauth] Jan 20 09:02:16 linux4ai-server sshd[5449]: Invalid user oracle from 203.0.113.5 port 30297 Jan 20 09:02:16 linux4ai-server sshd[5449]: Failed password for invalid user oracle from 203.0.113.5 port 30297 ssh2 Jan 20 09:02:16 linux4ai-server sshd[5449]: Connection closed by invalid user oracle 203.0.113.5 port 30297 [preauth] Jan 20 09:02:23 linux4ai-server sshd[16203]: Failed password for root from 185.199.110.153 port 45447 ssh2 Jan 20 09:02:23 linux4ai-server sshd[16203]: Connection closed by authenticating user root 185.199.110.153 port 45447 [preauth] Jan 20 09:02:29 linux4ai-server sshd[7218]: Accepted publickey for ops from 192.168.1.106 port 30760 ssh2 Jan 20 09:02:29 linux4ai-server systemd-logind[602]: New session 7762 of user ops. Jan 20 09:02:29 linux4ai-server sshd[7218]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 09:02:29 linux4ai-server sshd[7218]: Disconnected from user ops 192.168.1.106 port 30760 Jan 20 09:02:29 linux4ai-server sshd[7218]: pam_unix(sshd:session): session closed for user ops Jan 20 09:02:29 linux4ai-server systemd-logind[602]: Session 7762 logged out. Waiting for processes to exit. Jan 20 09:02:31 linux4ai-server sshd[22870]: Failed password for root from 185.199.110.153 port 33045 ssh2 Jan 20 09:02:31 linux4ai-server sshd[22870]: Received disconnect from 185.199.110.153 port 33045:11: Bye Bye [preauth] Jan 20 09:02:37 linux4ai-server sshd[13091]: Invalid user test from 45.33.22.11 port 49594 Jan 20 09:02:37 linux4ai-server sshd[13091]: Failed password for invalid user test from 45.33.22.11 port 49594 ssh2 Jan 20 09:02:37 linux4ai-server sshd[13091]: Connection closed by invalid user test 45.33.22.11 port 49594 [preauth] Jan 20 09:02:42 linux4ai-server sshd[39341]: Invalid user support from 185.199.110.153 port 57736 Jan 20 09:02:42 linux4ai-server sshd[39341]: Failed password for invalid user support from 185.199.110.153 port 57736 ssh2 Jan 20 09:02:42 linux4ai-server sshd[39341]: Connection closed by invalid user support 185.199.110.153 port 57736 [preauth] Jan 20 09:02:43 linux4ai-server sshd[1407]: Failed password for root from 45.33.22.11 port 35045 ssh2 Jan 20 09:02:43 linux4ai-server sshd[1407]: Received disconnect from 45.33.22.11 port 35045:11: Bye Bye [preauth] Jan 20 09:02:53 linux4ai-server sshd[30184]: Invalid user root from 192.168.1.200 port 53089 Jan 20 09:02:53 linux4ai-server sshd[30184]: Failed password for invalid user root from 192.168.1.200 port 53089 ssh2 Jan 20 09:02:53 linux4ai-server sshd[30184]: Connection closed by invalid user root 192.168.1.200 port 53089 [preauth] Jan 20 09:02:55 linux4ai-server sshd[24805]: Invalid user test from 185.199.110.153 port 47443 Jan 20 09:02:55 linux4ai-server sshd[24805]: Failed password for invalid user test from 185.199.110.153 port 47443 ssh2 Jan 20 09:02:55 linux4ai-server sshd[24805]: Connection closed by invalid user test 185.199.110.153 port 47443 [preauth] Jan 20 09:02:56 linux4ai-server sshd[57180]: Failed password for root from 203.0.113.5 port 59998 ssh2 Jan 20 09:02:56 linux4ai-server sshd[57180]: Received disconnect from 203.0.113.5 port 59998:11: Bye Bye [preauth] Jan 20 09:02:57 linux4ai-server sshd[43768]: Invalid user root from 198.51.100.2 port 62723 Jan 20 09:02:57 linux4ai-server sshd[43768]: Failed password for invalid user root from 198.51.100.2 port 62723 ssh2 Jan 20 09:02:57 linux4ai-server sshd[43768]: Connection closed by invalid user root 198.51.100.2 port 62723 [preauth] Jan 20 09:02:58 linux4ai-server sshd[57837]: Invalid user root from 45.33.22.11 port 31817 Jan 20 09:02:58 linux4ai-server sshd[57837]: Failed password for invalid user root from 45.33.22.11 port 31817 ssh2 Jan 20 09:02:58 linux4ai-server sshd[57837]: Connection closed by invalid user root 45.33.22.11 port 31817 [preauth] Jan 20 09:02:59 linux4ai-server sshd[53630]: Connection closed by 185.199.110.153 port 43213 [preauth] Jan 20 09:03:02 linux4ai-server sshd[6665]: Invalid user ubnt from 220.181.38.148 port 31089 Jan 20 09:03:02 linux4ai-server sshd[6665]: Failed password for invalid user ubnt from 220.181.38.148 port 31089 ssh2 Jan 20 09:03:02 linux4ai-server sshd[6665]: Connection closed by invalid user ubnt 220.181.38.148 port 31089 [preauth] Jan 20 09:03:06 linux4ai-server sshd[37908]: Failed password for root from 14.1.2.3 port 37320 ssh2 Jan 20 09:03:06 linux4ai-server sshd[37908]: Connection closed by authenticating user root 14.1.2.3 port 37320 [preauth] Jan 20 09:03:14 linux4ai-server sshd[24092]: Accepted publickey for dev from 192.168.1.107 port 32876 ssh2 Jan 20 09:03:14 linux4ai-server systemd-logind[685]: New session 6897 of user dev. Jan 20 09:03:14 linux4ai-server sshd[24092]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 09:03:14 linux4ai-server sshd[24092]: Disconnected from user dev 192.168.1.107 port 32876 Jan 20 09:03:14 linux4ai-server sshd[24092]: pam_unix(sshd:session): session closed for user dev Jan 20 09:03:14 linux4ai-server systemd-logind[685]: Session 6897 logged out. Waiting for processes to exit. Jan 20 09:03:20 linux4ai-server sshd[53963]: Accepted publickey for ops from 10.0.0.13 port 57463 ssh2 Jan 20 09:03:20 linux4ai-server systemd-logind[807]: New session 5769 of user ops. Jan 20 09:03:20 linux4ai-server sshd[53963]: pam_unix(sshd:session): session opened for user ops by (uid=0) Jan 20 09:03:20 linux4ai-server sshd[53963]: Disconnected from user ops 10.0.0.13 port 57463 Jan 20 09:03:20 linux4ai-server sshd[53963]: pam_unix(sshd:session): session closed for user ops Jan 20 09:03:20 linux4ai-server systemd-logind[807]: Session 5769 logged out. Waiting for processes to exit. Jan 20 09:03:26 linux4ai-server sshd[29288]: Failed password for root from 198.51.100.2 port 40127 ssh2 Jan 20 09:03:26 linux4ai-server sshd[29288]: Connection closed by authenticating user root 198.51.100.2 port 40127 [preauth] Jan 20 09:03:32 linux4ai-server sshd[19238]: Invalid user oracle from 185.199.110.153 port 46341 Jan 20 09:03:32 linux4ai-server sshd[19238]: Failed password for invalid user oracle from 185.199.110.153 port 46341 ssh2 Jan 20 09:03:32 linux4ai-server sshd[19238]: Connection closed by invalid user oracle 185.199.110.153 port 46341 [preauth] Jan 20 09:03:42 linux4ai-server sshd[19978]: Invalid user oracle from 198.51.100.2 port 64774 Jan 20 09:03:42 linux4ai-server sshd[19978]: Failed password for invalid user oracle from 198.51.100.2 port 64774 ssh2 Jan 20 09:03:42 linux4ai-server sshd[19978]: Connection closed by invalid user oracle 198.51.100.2 port 64774 [preauth] Jan 20 09:03:43 linux4ai-server sshd[54400]: Accepted publickey for student from 192.168.1.114 port 40839 ssh2 Jan 20 09:03:43 linux4ai-server systemd-logind[726]: New session 5138 of user student. Jan 20 09:03:43 linux4ai-server sshd[54400]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 09:03:43 linux4ai-server sshd[54400]: Disconnected from user student 192.168.1.114 port 40839 Jan 20 09:03:43 linux4ai-server sshd[54400]: pam_unix(sshd:session): session closed for user student Jan 20 09:03:43 linux4ai-server systemd-logind[726]: Session 5138 logged out. Waiting for processes to exit. Jan 20 09:03:47 linux4ai-server sshd[44264]: Invalid user root from 192.168.1.200 port 56070 Jan 20 09:03:47 linux4ai-server sshd[44264]: Failed password for invalid user root from 192.168.1.200 port 56070 ssh2 Jan 20 09:03:47 linux4ai-server sshd[44264]: Connection closed by invalid user root 192.168.1.200 port 56070 [preauth] Jan 20 09:03:53 linux4ai-server sshd[9579]: Invalid user admin from 203.0.113.5 port 34806 Jan 20 09:03:53 linux4ai-server sshd[9579]: Failed password for invalid user admin from 203.0.113.5 port 34806 ssh2 Jan 20 09:03:53 linux4ai-server sshd[9579]: Connection closed by invalid user admin 203.0.113.5 port 34806 [preauth] Jan 20 09:03:59 linux4ai-server sshd[23962]: Failed password for root from 198.51.100.2 port 64828 ssh2 Jan 20 09:03:59 linux4ai-server sshd[23962]: Connection closed by authenticating user root 198.51.100.2 port 64828 [preauth] Jan 20 09:04:09 linux4ai-server sshd[51355]: Accepted publickey for teacher from 192.168.1.104 port 49120 ssh2 Jan 20 09:04:09 linux4ai-server systemd-logind[576]: New session 2318 of user teacher. Jan 20 09:04:09 linux4ai-server sshd[51355]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:04:09 linux4ai-server sshd[51355]: Disconnected from user teacher 192.168.1.104 port 49120 Jan 20 09:04:09 linux4ai-server sshd[51355]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:04:09 linux4ai-server systemd-logind[576]: Session 2318 logged out. Waiting for processes to exit. Jan 20 09:04:12 linux4ai-server sshd[7699]: Invalid user postgres from 45.33.22.11 port 46051 Jan 20 09:04:12 linux4ai-server sshd[7699]: Failed password for invalid user postgres from 45.33.22.11 port 46051 ssh2 Jan 20 09:04:12 linux4ai-server sshd[7699]: Connection closed by invalid user postgres 45.33.22.11 port 46051 [preauth] Jan 20 09:04:20 linux4ai-server sshd[59230]: Failed password for root from 185.199.110.153 port 35854 ssh2 Jan 20 09:04:20 linux4ai-server sshd[59230]: Received disconnect from 185.199.110.153 port 35854:11: Bye Bye [preauth] Jan 20 09:04:25 linux4ai-server sshd[56012]: Failed password for root from 192.168.1.200 port 60443 ssh2 Jan 20 09:04:25 linux4ai-server sshd[56012]: Received disconnect from 192.168.1.200 port 60443:11: Bye Bye [preauth] Jan 20 09:04:34 linux4ai-server sshd[40621]: Failed password for root from 14.1.2.3 port 64788 ssh2 Jan 20 09:04:34 linux4ai-server sshd[40621]: Connection closed by authenticating user root 14.1.2.3 port 64788 [preauth] Jan 20 09:04:42 linux4ai-server sshd[49479]: Failed password for root from 45.33.22.11 port 49882 ssh2 Jan 20 09:04:42 linux4ai-server sshd[49479]: Connection closed by authenticating user root 45.33.22.11 port 49882 [preauth] Jan 20 09:04:50 linux4ai-server sshd[45602]: Invalid user admin from 203.0.113.5 port 63860 Jan 20 09:04:50 linux4ai-server sshd[45602]: Failed password for invalid user admin from 203.0.113.5 port 63860 ssh2 Jan 20 09:04:50 linux4ai-server sshd[45602]: Connection closed by invalid user admin 203.0.113.5 port 63860 [preauth] Jan 20 09:04:57 linux4ai-server sshd[12709]: Invalid user test from 45.33.22.11 port 47877 Jan 20 09:04:57 linux4ai-server sshd[12709]: Failed password for invalid user test from 45.33.22.11 port 47877 ssh2 Jan 20 09:04:57 linux4ai-server sshd[12709]: Connection closed by invalid user test 45.33.22.11 port 47877 [preauth] Jan 20 09:05:00 linux4ai-server sshd[41125]: Accepted publickey for teacher from 192.168.1.114 port 58231 ssh2 Jan 20 09:05:00 linux4ai-server systemd-logind[707]: New session 2503 of user teacher. Jan 20 09:05:00 linux4ai-server sshd[41125]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:05:00 linux4ai-server sshd[41125]: Disconnected from user teacher 192.168.1.114 port 58231 Jan 20 09:05:00 linux4ai-server sshd[41125]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:05:00 linux4ai-server systemd-logind[707]: Session 2503 logged out. Waiting for processes to exit. Jan 20 09:05:07 linux4ai-server sshd[41402]: Failed password for root from 192.168.1.200 port 49126 ssh2 Jan 20 09:05:07 linux4ai-server sshd[41402]: Connection closed by authenticating user root 192.168.1.200 port 49126 [preauth] Jan 20 09:05:11 linux4ai-server sshd[36519]: Failed password for root from 45.33.22.11 port 58520 ssh2 Jan 20 09:05:11 linux4ai-server sshd[36519]: Received disconnect from 45.33.22.11 port 58520:11: Bye Bye [preauth] Jan 20 09:05:17 linux4ai-server sshd[28486]: Failed password for root from 192.168.1.200 port 55017 ssh2 Jan 20 09:05:17 linux4ai-server sshd[28486]: Connection closed by authenticating user root 192.168.1.200 port 55017 [preauth] Jan 20 09:05:20 linux4ai-server sshd[50160]: Invalid user postgres from 192.168.1.200 port 34453 Jan 20 09:05:20 linux4ai-server sshd[50160]: Failed password for invalid user postgres from 192.168.1.200 port 34453 ssh2 Jan 20 09:05:20 linux4ai-server sshd[50160]: Connection closed by invalid user postgres 192.168.1.200 port 34453 [preauth] Jan 20 09:05:24 linux4ai-server sshd[27691]: Accepted publickey for student from 10.0.0.10 port 51519 ssh2 Jan 20 09:05:24 linux4ai-server systemd-logind[767]: New session 277 of user student. Jan 20 09:05:24 linux4ai-server sshd[27691]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 09:05:24 linux4ai-server sshd[27691]: Disconnected from user student 10.0.0.10 port 51519 Jan 20 09:05:24 linux4ai-server sshd[27691]: pam_unix(sshd:session): session closed for user student Jan 20 09:05:24 linux4ai-server systemd-logind[767]: Session 277 logged out. Waiting for processes to exit. Jan 20 09:05:25 linux4ai-server sshd[2404]: Failed password for root from 45.33.22.11 port 34189 ssh2 Jan 20 09:05:25 linux4ai-server sshd[2404]: Received disconnect from 45.33.22.11 port 34189:11: Bye Bye [preauth] Jan 20 09:05:33 linux4ai-server sshd[55700]: Invalid user oracle from 45.33.22.11 port 35091 Jan 20 09:05:33 linux4ai-server sshd[55700]: Failed password for invalid user oracle from 45.33.22.11 port 35091 ssh2 Jan 20 09:05:33 linux4ai-server sshd[55700]: Connection closed by invalid user oracle 45.33.22.11 port 35091 [preauth] Jan 20 09:05:41 linux4ai-server sshd[1163]: Accepted publickey for teacher from 192.168.1.114 port 51955 ssh2 Jan 20 09:05:41 linux4ai-server systemd-logind[753]: New session 3613 of user teacher. Jan 20 09:05:41 linux4ai-server sshd[1163]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:05:41 linux4ai-server sshd[1163]: Disconnected from user teacher 192.168.1.114 port 51955 Jan 20 09:05:41 linux4ai-server sshd[1163]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:05:41 linux4ai-server systemd-logind[753]: Session 3613 logged out. Waiting for processes to exit. Jan 20 09:05:48 linux4ai-server sshd[51296]: Failed password for root from 192.168.1.200 port 51701 ssh2 Jan 20 09:05:48 linux4ai-server sshd[51296]: Connection closed by authenticating user root 192.168.1.200 port 51701 [preauth] Jan 20 09:05:52 linux4ai-server sshd[31367]: Invalid user guest from 198.51.100.2 port 58760 Jan 20 09:05:52 linux4ai-server sshd[31367]: Failed password for invalid user guest from 198.51.100.2 port 58760 ssh2 Jan 20 09:05:52 linux4ai-server sshd[31367]: Connection closed by invalid user guest 198.51.100.2 port 58760 [preauth] Jan 20 09:05:57 linux4ai-server sshd[37687]: Invalid user guest from 198.51.100.2 port 53775 Jan 20 09:05:57 linux4ai-server sshd[37687]: Failed password for invalid user guest from 198.51.100.2 port 53775 ssh2 Jan 20 09:05:57 linux4ai-server sshd[37687]: Connection closed by invalid user guest 198.51.100.2 port 53775 [preauth] Jan 20 09:06:06 linux4ai-server sshd[41168]: Connection closed by 185.199.110.153 port 33784 [preauth] Jan 20 09:06:12 linux4ai-server sshd[5220]: Invalid user oracle from 14.1.2.3 port 57593 Jan 20 09:06:12 linux4ai-server sshd[5220]: Failed password for invalid user oracle from 14.1.2.3 port 57593 ssh2 Jan 20 09:06:12 linux4ai-server sshd[5220]: Connection closed by invalid user oracle 14.1.2.3 port 57593 [preauth] Jan 20 09:06:19 linux4ai-server sshd[40510]: Connection closed by 203.0.113.5 port 55802 [preauth] Jan 20 09:06:28 linux4ai-server sshd[17897]: Invalid user guest from 185.199.110.153 port 53409 Jan 20 09:06:28 linux4ai-server sshd[17897]: Failed password for invalid user guest from 185.199.110.153 port 53409 ssh2 Jan 20 09:06:28 linux4ai-server sshd[17897]: Connection closed by invalid user guest 185.199.110.153 port 53409 [preauth] Jan 20 09:06:30 linux4ai-server sshd[50808]: Accepted publickey for teacher from 192.168.1.104 port 48017 ssh2 Jan 20 09:06:30 linux4ai-server systemd-logind[805]: New session 7321 of user teacher. Jan 20 09:06:30 linux4ai-server sshd[50808]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:06:30 linux4ai-server sshd[50808]: Disconnected from user teacher 192.168.1.104 port 48017 Jan 20 09:06:30 linux4ai-server sshd[50808]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:06:30 linux4ai-server systemd-logind[805]: Session 7321 logged out. Waiting for processes to exit. Jan 20 09:06:39 linux4ai-server sshd[40535]: Invalid user mcserver from 203.0.113.5 port 56658 Jan 20 09:06:39 linux4ai-server sshd[40535]: Failed password for invalid user mcserver from 203.0.113.5 port 56658 ssh2 Jan 20 09:06:39 linux4ai-server sshd[40535]: Connection closed by invalid user mcserver 203.0.113.5 port 56658 [preauth] Jan 20 09:06:44 linux4ai-server sshd[40267]: Failed password for root from 192.168.1.200 port 45416 ssh2 Jan 20 09:06:44 linux4ai-server sshd[40267]: Received disconnect from 192.168.1.200 port 45416:11: Bye Bye [preauth] Jan 20 09:06:52 linux4ai-server sshd[45191]: Accepted publickey for teacher from 192.168.1.109 port 46860 ssh2 Jan 20 09:06:52 linux4ai-server systemd-logind[836]: New session 3903 of user teacher. Jan 20 09:06:52 linux4ai-server sshd[45191]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:06:52 linux4ai-server sshd[45191]: Disconnected from user teacher 192.168.1.109 port 46860 Jan 20 09:06:52 linux4ai-server sshd[45191]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:06:52 linux4ai-server systemd-logind[836]: Session 3903 logged out. Waiting for processes to exit. Jan 20 09:06:59 linux4ai-server sshd[9659]: Failed password for root from 192.168.1.200 port 45629 ssh2 Jan 20 09:06:59 linux4ai-server sshd[9659]: Connection closed by authenticating user root 192.168.1.200 port 45629 [preauth] Jan 20 09:07:02 linux4ai-server sshd[3218]: Invalid user oracle from 192.168.1.200 port 60125 Jan 20 09:07:02 linux4ai-server sshd[3218]: Failed password for invalid user oracle from 192.168.1.200 port 60125 ssh2 Jan 20 09:07:02 linux4ai-server sshd[3218]: Connection closed by invalid user oracle 192.168.1.200 port 60125 [preauth] Jan 20 09:07:11 linux4ai-server sshd[1665]: Invalid user mcserver from 198.51.100.2 port 30846 Jan 20 09:07:11 linux4ai-server sshd[1665]: Failed password for invalid user mcserver from 198.51.100.2 port 30846 ssh2 Jan 20 09:07:11 linux4ai-server sshd[1665]: Connection closed by invalid user mcserver 198.51.100.2 port 30846 [preauth] Jan 20 09:07:15 linux4ai-server sshd[19102]: Invalid user test from 185.199.110.153 port 61151 Jan 20 09:07:15 linux4ai-server sshd[19102]: Failed password for invalid user test from 185.199.110.153 port 61151 ssh2 Jan 20 09:07:15 linux4ai-server sshd[19102]: Connection closed by invalid user test 185.199.110.153 port 61151 [preauth] Jan 20 09:07:23 linux4ai-server sshd[1632]: Connection closed by 203.0.113.5 port 49526 [preauth] Jan 20 09:07:30 linux4ai-server sshd[26489]: Invalid user root from 192.168.1.200 port 33065 Jan 20 09:07:30 linux4ai-server sshd[26489]: Failed password for invalid user root from 192.168.1.200 port 33065 ssh2 Jan 20 09:07:30 linux4ai-server sshd[26489]: Connection closed by invalid user root 192.168.1.200 port 33065 [preauth] Jan 20 09:07:40 linux4ai-server sshd[51350]: Connection closed by 185.199.110.153 port 43703 [preauth] Jan 20 09:07:45 linux4ai-server sshd[49954]: Failed password for root from 203.0.113.5 port 60074 ssh2 Jan 20 09:07:45 linux4ai-server sshd[49954]: Received disconnect from 203.0.113.5 port 60074:11: Bye Bye [preauth] Jan 20 09:07:55 linux4ai-server sshd[56024]: Invalid user postgres from 14.1.2.3 port 58871 Jan 20 09:07:55 linux4ai-server sshd[56024]: Failed password for invalid user postgres from 14.1.2.3 port 58871 ssh2 Jan 20 09:07:55 linux4ai-server sshd[56024]: Connection closed by invalid user postgres 14.1.2.3 port 58871 [preauth] Jan 20 09:08:03 linux4ai-server sshd[33522]: Invalid user root from 185.199.110.153 port 60782 Jan 20 09:08:03 linux4ai-server sshd[33522]: Failed password for invalid user root from 185.199.110.153 port 60782 ssh2 Jan 20 09:08:03 linux4ai-server sshd[33522]: Connection closed by invalid user root 185.199.110.153 port 60782 [preauth] Jan 20 09:08:09 linux4ai-server sshd[42782]: Invalid user ubnt from 192.168.1.200 port 48813 Jan 20 09:08:09 linux4ai-server sshd[42782]: Failed password for invalid user ubnt from 192.168.1.200 port 48813 ssh2 Jan 20 09:08:09 linux4ai-server sshd[42782]: Connection closed by invalid user ubnt 192.168.1.200 port 48813 [preauth] Jan 20 09:08:18 linux4ai-server sshd[20009]: Failed password for root from 192.168.1.200 port 58228 ssh2 Jan 20 09:08:18 linux4ai-server sshd[20009]: Received disconnect from 192.168.1.200 port 58228:11: Bye Bye [preauth] Jan 20 09:08:27 linux4ai-server sshd[30383]: Invalid user oracle from 192.168.1.200 port 40918 Jan 20 09:08:27 linux4ai-server sshd[30383]: Failed password for invalid user oracle from 192.168.1.200 port 40918 ssh2 Jan 20 09:08:27 linux4ai-server sshd[30383]: Connection closed by invalid user oracle 192.168.1.200 port 40918 [preauth] Jan 20 09:08:30 linux4ai-server sshd[37676]: Accepted publickey for student from 192.168.1.117 port 50693 ssh2 Jan 20 09:08:30 linux4ai-server systemd-logind[631]: New session 8228 of user student. Jan 20 09:08:30 linux4ai-server sshd[37676]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 09:08:30 linux4ai-server sshd[37676]: Disconnected from user student 192.168.1.117 port 50693 Jan 20 09:08:30 linux4ai-server sshd[37676]: pam_unix(sshd:session): session closed for user student Jan 20 09:08:30 linux4ai-server systemd-logind[631]: Session 8228 logged out. Waiting for processes to exit. Jan 20 09:08:39 linux4ai-server sshd[16812]: Invalid user ubnt from 45.33.22.11 port 50947 Jan 20 09:08:39 linux4ai-server sshd[16812]: Failed password for invalid user ubnt from 45.33.22.11 port 50947 ssh2 Jan 20 09:08:39 linux4ai-server sshd[16812]: Connection closed by invalid user ubnt 45.33.22.11 port 50947 [preauth] Jan 20 09:08:44 linux4ai-server sshd[4893]: Invalid user test from 185.199.110.153 port 30184 Jan 20 09:08:44 linux4ai-server sshd[4893]: Failed password for invalid user test from 185.199.110.153 port 30184 ssh2 Jan 20 09:08:44 linux4ai-server sshd[4893]: Connection closed by invalid user test 185.199.110.153 port 30184 [preauth] Jan 20 09:08:52 linux4ai-server sshd[55750]: Invalid user root from 45.33.22.11 port 37531 Jan 20 09:08:52 linux4ai-server sshd[55750]: Failed password for invalid user root from 45.33.22.11 port 37531 ssh2 Jan 20 09:08:52 linux4ai-server sshd[55750]: Connection closed by invalid user root 45.33.22.11 port 37531 [preauth] Jan 20 09:08:54 linux4ai-server sshd[35540]: Invalid user oracle from 185.199.110.153 port 47693 Jan 20 09:08:54 linux4ai-server sshd[35540]: Failed password for invalid user oracle from 185.199.110.153 port 47693 ssh2 Jan 20 09:08:54 linux4ai-server sshd[35540]: Connection closed by invalid user oracle 185.199.110.153 port 47693 [preauth] Jan 20 09:08:57 linux4ai-server sshd[43977]: Failed password for root from 192.168.1.200 port 64487 ssh2 Jan 20 09:08:57 linux4ai-server sshd[43977]: Connection closed by authenticating user root 192.168.1.200 port 64487 [preauth] Jan 20 09:09:06 linux4ai-server sshd[10844]: Connection closed by 203.0.113.5 port 55386 [preauth] Jan 20 09:09:09 linux4ai-server sshd[7475]: Invalid user admin from 192.168.1.200 port 55890 Jan 20 09:09:09 linux4ai-server sshd[7475]: Failed password for invalid user admin from 192.168.1.200 port 55890 ssh2 Jan 20 09:09:09 linux4ai-server sshd[7475]: Connection closed by invalid user admin 192.168.1.200 port 55890 [preauth] Jan 20 09:09:14 linux4ai-server sshd[42915]: Failed password for root from 185.199.110.153 port 57458 ssh2 Jan 20 09:09:14 linux4ai-server sshd[42915]: Connection closed by authenticating user root 185.199.110.153 port 57458 [preauth] Jan 20 09:09:23 linux4ai-server sshd[20930]: Invalid user ubnt from 45.33.22.11 port 47200 Jan 20 09:09:23 linux4ai-server sshd[20930]: Failed password for invalid user ubnt from 45.33.22.11 port 47200 ssh2 Jan 20 09:09:23 linux4ai-server sshd[20930]: Connection closed by invalid user ubnt 45.33.22.11 port 47200 [preauth] Jan 20 09:09:31 linux4ai-server sshd[51464]: Failed password for root from 192.168.1.200 port 33539 ssh2 Jan 20 09:09:31 linux4ai-server sshd[51464]: Connection closed by authenticating user root 192.168.1.200 port 33539 [preauth] Jan 20 09:09:37 linux4ai-server sshd[9289]: Invalid user oracle from 192.168.1.200 port 59589 Jan 20 09:09:37 linux4ai-server sshd[9289]: Failed password for invalid user oracle from 192.168.1.200 port 59589 ssh2 Jan 20 09:09:37 linux4ai-server sshd[9289]: Connection closed by invalid user oracle 192.168.1.200 port 59589 [preauth] Jan 20 09:09:40 linux4ai-server sshd[24903]: Invalid user ubnt from 203.0.113.5 port 43378 Jan 20 09:09:40 linux4ai-server sshd[24903]: Failed password for invalid user ubnt from 203.0.113.5 port 43378 ssh2 Jan 20 09:09:40 linux4ai-server sshd[24903]: Connection closed by invalid user ubnt 203.0.113.5 port 43378 [preauth] Jan 20 09:09:42 linux4ai-server sshd[56613]: Accepted publickey for dev from 10.0.0.9 port 33674 ssh2 Jan 20 09:09:42 linux4ai-server systemd-logind[510]: New session 4199 of user dev. Jan 20 09:09:42 linux4ai-server sshd[56613]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 09:09:42 linux4ai-server sshd[56613]: Disconnected from user dev 10.0.0.9 port 33674 Jan 20 09:09:42 linux4ai-server sshd[56613]: pam_unix(sshd:session): session closed for user dev Jan 20 09:09:42 linux4ai-server systemd-logind[510]: Session 4199 logged out. Waiting for processes to exit. Jan 20 09:09:50 linux4ai-server sshd[11053]: Invalid user admin from 203.0.113.5 port 41834 Jan 20 09:09:50 linux4ai-server sshd[11053]: Failed password for invalid user admin from 203.0.113.5 port 41834 ssh2 Jan 20 09:09:50 linux4ai-server sshd[11053]: Connection closed by invalid user admin 203.0.113.5 port 41834 [preauth] Jan 20 09:09:51 linux4ai-server sshd[51159]: Invalid user postgres from 45.33.22.11 port 46111 Jan 20 09:09:51 linux4ai-server sshd[51159]: Failed password for invalid user postgres from 45.33.22.11 port 46111 ssh2 Jan 20 09:09:51 linux4ai-server sshd[51159]: Connection closed by invalid user postgres 45.33.22.11 port 46111 [preauth] Jan 20 09:09:57 linux4ai-server sshd[29024]: Failed password for root from 192.168.1.200 port 60437 ssh2 Jan 20 09:09:57 linux4ai-server sshd[29024]: Connection closed by authenticating user root 192.168.1.200 port 60437 [preauth] Jan 20 09:10:07 linux4ai-server sshd[8827]: Accepted publickey for dev from 192.168.1.104 port 46917 ssh2 Jan 20 09:10:07 linux4ai-server systemd-logind[605]: New session 2682 of user dev. Jan 20 09:10:07 linux4ai-server sshd[8827]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 09:10:07 linux4ai-server sshd[8827]: Disconnected from user dev 192.168.1.104 port 46917 Jan 20 09:10:07 linux4ai-server sshd[8827]: pam_unix(sshd:session): session closed for user dev Jan 20 09:10:07 linux4ai-server systemd-logind[605]: Session 2682 logged out. Waiting for processes to exit. Jan 20 09:10:08 linux4ai-server sshd[48301]: Accepted publickey for dev from 192.168.1.117 port 61628 ssh2 Jan 20 09:10:08 linux4ai-server systemd-logind[720]: New session 1235 of user dev. Jan 20 09:10:08 linux4ai-server sshd[48301]: pam_unix(sshd:session): session opened for user dev by (uid=0) Jan 20 09:10:08 linux4ai-server sshd[48301]: Disconnected from user dev 192.168.1.117 port 61628 Jan 20 09:10:08 linux4ai-server sshd[48301]: pam_unix(sshd:session): session closed for user dev Jan 20 09:10:08 linux4ai-server systemd-logind[720]: Session 1235 logged out. Waiting for processes to exit. Jan 20 09:10:11 linux4ai-server sshd[28543]: Failed password for root from 198.51.100.2 port 46744 ssh2 Jan 20 09:10:11 linux4ai-server sshd[28543]: Received disconnect from 198.51.100.2 port 46744:11: Bye Bye [preauth] Jan 20 09:10:12 linux4ai-server sshd[43263]: Accepted publickey for teacher from 192.168.1.115 port 53419 ssh2 Jan 20 09:10:12 linux4ai-server systemd-logind[704]: New session 361 of user teacher. Jan 20 09:10:12 linux4ai-server sshd[43263]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:10:12 linux4ai-server sshd[43263]: Disconnected from user teacher 192.168.1.115 port 53419 Jan 20 09:10:12 linux4ai-server sshd[43263]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:10:12 linux4ai-server systemd-logind[704]: Session 361 logged out. Waiting for processes to exit. Jan 20 09:10:16 linux4ai-server sshd[9819]: Accepted publickey for huangwei from 10.0.0.11 port 52390 ssh2 Jan 20 09:10:16 linux4ai-server systemd-logind[878]: New session 7528 of user huangwei. Jan 20 09:10:16 linux4ai-server sshd[9819]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 09:10:16 linux4ai-server sshd[9819]: Disconnected from user huangwei 10.0.0.11 port 52390 Jan 20 09:10:16 linux4ai-server sshd[9819]: pam_unix(sshd:session): session closed for user huangwei Jan 20 09:10:16 linux4ai-server systemd-logind[878]: Session 7528 logged out. Waiting for processes to exit. Jan 20 09:10:22 linux4ai-server sshd[20555]: Accepted publickey for teacher from 10.0.0.1 port 49584 ssh2 Jan 20 09:10:22 linux4ai-server systemd-logind[597]: New session 2680 of user teacher. Jan 20 09:10:22 linux4ai-server sshd[20555]: pam_unix(sshd:session): session opened for user teacher by (uid=0) Jan 20 09:10:22 linux4ai-server sshd[20555]: Disconnected from user teacher 10.0.0.1 port 49584 Jan 20 09:10:22 linux4ai-server sshd[20555]: pam_unix(sshd:session): session closed for user teacher Jan 20 09:10:22 linux4ai-server systemd-logind[597]: Session 2680 logged out. Waiting for processes to exit. Jan 20 09:10:31 linux4ai-server sshd[11065]: Invalid user support from 45.33.22.11 port 47639 Jan 20 09:10:31 linux4ai-server sshd[11065]: Failed password for invalid user support from 45.33.22.11 port 47639 ssh2 Jan 20 09:10:31 linux4ai-server sshd[11065]: Connection closed by invalid user support 45.33.22.11 port 47639 [preauth] Jan 20 09:10:33 linux4ai-server sshd[46155]: Invalid user admin from 198.51.100.2 port 32566 Jan 20 09:10:33 linux4ai-server sshd[46155]: Failed password for invalid user admin from 198.51.100.2 port 32566 ssh2 Jan 20 09:10:33 linux4ai-server sshd[46155]: Connection closed by invalid user admin 198.51.100.2 port 32566 [preauth] Jan 20 09:10:42 linux4ai-server sshd[28794]: Invalid user support from 14.1.2.3 port 35083 Jan 20 09:10:42 linux4ai-server sshd[28794]: Failed password for invalid user support from 14.1.2.3 port 35083 ssh2 Jan 20 09:10:42 linux4ai-server sshd[28794]: Connection closed by invalid user support 14.1.2.3 port 35083 [preauth] Jan 20 09:10:47 linux4ai-server sshd[54604]: Invalid user guest from 45.33.22.11 port 39404 Jan 20 09:10:47 linux4ai-server sshd[54604]: Failed password for invalid user guest from 45.33.22.11 port 39404 ssh2 Jan 20 09:10:47 linux4ai-server sshd[54604]: Connection closed by invalid user guest 45.33.22.11 port 39404 [preauth] Jan 20 09:10:54 linux4ai-server sshd[35891]: Accepted publickey for student from 192.168.1.104 port 58155 ssh2 Jan 20 09:10:54 linux4ai-server systemd-logind[721]: New session 4836 of user student. Jan 20 09:10:54 linux4ai-server sshd[35891]: pam_unix(sshd:session): session opened for user student by (uid=0) Jan 20 09:10:54 linux4ai-server sshd[35891]: Disconnected from user student 192.168.1.104 port 58155 Jan 20 09:10:54 linux4ai-server sshd[35891]: pam_unix(sshd:session): session closed for user student Jan 20 09:10:54 linux4ai-server systemd-logind[721]: Session 4836 logged out. Waiting for processes to exit. Jan 20 09:11:04 linux4ai-server sshd[4938]: Invalid user guest from 185.199.110.153 port 53949 Jan 20 09:11:04 linux4ai-server sshd[4938]: Failed password for invalid user guest from 185.199.110.153 port 53949 ssh2 Jan 20 09:11:04 linux4ai-server sshd[4938]: Connection closed by invalid user guest 185.199.110.153 port 53949 [preauth] Jan 20 09:11:13 linux4ai-server sshd[25724]: Invalid user admin from 45.33.22.11 port 61977 Jan 20 09:11:13 linux4ai-server sshd[25724]: Failed password for invalid user admin from 45.33.22.11 port 61977 ssh2 Jan 20 09:11:13 linux4ai-server sshd[25724]: Connection closed by invalid user admin 45.33.22.11 port 61977 [preauth] Jan 20 09:11:21 linux4ai-server sshd[18221]: Connection closed by 185.199.110.153 port 45959 [preauth] Jan 20 09:11:30 linux4ai-server sshd[54404]: Invalid user postgres from 203.0.113.5 port 32805 Jan 20 09:11:30 linux4ai-server sshd[54404]: Failed password for invalid user postgres from 203.0.113.5 port 32805 ssh2 Jan 20 09:11:30 linux4ai-server sshd[54404]: Connection closed by invalid user postgres 203.0.113.5 port 32805 [preauth] Jan 20 09:11:36 linux4ai-server sshd[28567]: Accepted publickey for huangwei from 10.0.0.4 port 36174 ssh2 Jan 20 09:11:36 linux4ai-server systemd-logind[696]: New session 8015 of user huangwei. Jan 20 09:11:36 linux4ai-server sshd[28567]: pam_unix(sshd:session): session opened for user huangwei by (uid=0) Jan 20 09:11:36 linux4ai-server sshd[28567]: Disconnected from user huangwei 10.0.0.4 port 36174 Jan 20 09:11:36 linux4ai-server sshd[28567]: pam_unix(sshd:session): session closed for user huangwei Jan 20 09:11:36 linux4ai-server systemd-logind[696]: Session 8015 logged out. Waiting for processes to exit. Jan 20 09:11:42 linux4ai-server sshd[10292]: Invalid user mcserver from 192.168.1.200 port 41326 Jan 20 09:11:42 linux4ai-server sshd[10292]: Failed password for invalid user mcserver from 192.168.1.200 port 41326 ssh2 Jan 20 09:11:42 linux4ai-server sshd[10292]: Connection closed by invalid user mcserver 192.168.1.200 port 41326 [preauth] Jan 20 09:11:51 linux4ai-server sshd[41325]: Connection closed by 192.168.1.200 port 30895 [preauth] Jan 20 09:11:58 linux4ai-server sshd[52826]: Invalid user guest from 45.33.22.11 port 33022 Jan 20 09:11:58 linux4ai-server sshd[52826]: Failed password for invalid user guest from 45.33.22.11 port 33022 ssh2 Jan 20 09:11:58 linux4ai-server sshd[52826]: Connection closed by invalid user guest 45.33.22.11 port 33022 [preauth] Jan 20 09:12:07 linux4ai-server sshd[13395]: Failed password for root from 198.51.100.2 port 50378 ssh2 Jan 20 09:12:07 linux4ai-server sshd[13395]: Received disconnect from 198.51.100.2 port 50378:11: Bye Bye [preauth] Jan 20 09:12:16 linux4ai-server sshd[7615]: Invalid user postgres from 45.33.22.11 port 52253 Jan 20 09:12:16 linux4ai-server sshd[7615]: Failed password for invalid user postgres from 45.33.22.11 port 52253 ssh2 Jan 20 09:12:16 linux4ai-server sshd[7615]: Connection closed by invalid user postgres 45.33.22.11 port 52253 [preauth] Jan 20 09:12:20 linux4ai-server sshd[7303]: Connection closed by 198.51.100.2 port 30255 [preauth] Jan 20 09:12:29 linux4ai-server sshd[19220]: Failed password for root from 192.168.1.200 port 49782 ssh2 Jan 20 09:12:29 linux4ai-server sshd[19220]: Connection closed by authenticating user root 192.168.1.200 port 49782 [preauth] Jan 20 09:12:36 linux4ai-server sshd[40616]: Failed password for root from 192.168.1.200 port 49841 ssh2 Jan 20 09:12:36 linux4ai-server sshd[40616]: Connection closed by authenticating user root 192.168.1.200 port 49841 [preauth] Jan 20 09:12:39 linux4ai-server sshd[16871]: Invalid user test from 192.168.1.200 port 42340 Jan 20 09:12:39 linux4ai-server sshd[16871]: Failed password for invalid user test from 192.168.1.200 port 42340 ssh2 Jan 20 09:12:39 linux4ai-server sshd[16871]: Connection closed by invalid user test 192.168.1.200 port 42340 [preauth] Jan 20 09:12:49 linux4ai-server sshd[1722]: Invalid user support from 192.168.1.200 port 36959 Jan 20 09:12:49 linux4ai-server sshd[1722]: Failed password for invalid user support from 192.168.1.200 port 36959 ssh2 Jan 20 09:12:49 linux4ai-server sshd[1722]: Connection closed by invalid user support 192.168.1.200 port 36959 [preauth] Jan 20 09:12:50 linux4ai-server sshd[14932]: Invalid user ubnt from 45.33.22.11 port 54814 Jan 20 09:12:50 linux4ai-server sshd[14932]: Failed password for invalid user ubnt from 45.33.22.11 port 54814 ssh2 Jan 20 09:12:50 linux4ai-server sshd[14932]: Connection closed by invalid user ubnt 45.33.22.11 port 54814 [preauth] Jan 20 09:12:53 linux4ai-server sshd[55151]: Invalid user root from 185.199.110.153 port 46491 Jan 20 09:12:53 linux4ai-server sshd[55151]: Failed password for invalid user root from 185.199.110.153 port 46491 ssh2 Jan 20 09:12:53 linux4ai-server sshd[55151]: Connection closed by invalid user root 185.199.110.153 port 46491 [preauth] Jan 20 09:12:57 linux4ai-server sshd[4707]: Invalid user ubnt from 192.168.1.200 port 35586 Jan 20 09:12:57 linux4ai-server sshd[4707]: Failed password for invalid user ubnt from 192.168.1.200 port 35586 ssh2 Jan 20 09:12:57 linux4ai-server sshd[4707]: Connection closed by invalid user ubnt 192.168.1.200 port 35586 [preauth] Jan 20 09:13:00 linux4ai-server sshd[11226]: Invalid user test from 192.168.1.200 port 45836 Jan 20 09:13:00 linux4ai-server sshd[11226]: Failed password for invalid user test from 192.168.1.200 port 45836 ssh2 Jan 20 09:13:00 linux4ai-server sshd[11226]: Connection closed by invalid user test 192.168.1.200 port 45836 [preauth] Jan 20 09:13:04 linux4ai-server sshd[29679]: Invalid user admin from 45.33.22.11 port 57782 Jan 20 09:13:04 linux4ai-server sshd[29679]: Failed password for invalid user admin from 45.33.22.11 port 57782 ssh2 Jan 20 09:13:04 linux4ai-server sshd[29679]: Connection closed by invalid user admin 45.33.22.11 port 57782 [preauth]