Jul 10 05:34:37 onepixel sshd[1849733]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85 
Jul 10 05:34:37 onepixel sshd[1849733]: Invalid user viktor from 157.230.253.85 port 42232
Jul 10 05:34:39 onepixel sshd[1849733]: Failed password for invalid user viktor from 157.230.253.85 port 42232 ssh2
Jul 10 05:38:06 onepixel sshd[1851708]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85  user=nginx
Jul 10 05:38:07 onepixel sshd[1851708]: Failed password for nginx from 157.230.253.85 port 37254 ssh2

Jun 22 22:33:23 eventyay sshd[3794]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85
Jun 22 22:33:25 eventyay sshd[3794]: Failed password for invalid user tempo from 157.230.253.85 port 54026 ssh2
Jun 22 22:36:56 eventyay sshd[3907]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85
...

Jun  9 11:16:24 ajax sshd[29928]: Failed password for root from 157.230.253.85 port 41864 ssh2
Jun  9 11:24:15 ajax sshd[31057]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85

Jun  5 17:45:50 gw1 sshd[19005]: Failed password for root from 157.230.253.85 port 58324 ssh2
...

2020-06-03T20:06:51.989127shield sshd\[5424\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85  user=root
2020-06-03T20:06:53.206082shield sshd\[5424\]: Failed password for root from 157.230.253.85 port 43526 ssh2
2020-06-03T20:12:05.992618shield sshd\[6166\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85  user=root
2020-06-03T20:12:07.650950shield sshd\[6166\]: Failed password for root from 157.230.253.85 port 36228 ssh2
2020-06-03T20:15:44.436665shield sshd\[6569\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85  user=root

May 26 19:24:37 mail sshd\[46286\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.85  user=root
...

SSH brute force attempt

Mar 29 18:22:00 wbs sshd\[30795\]: Invalid user qcj from 157.230.253.174
Mar 29 18:22:00 wbs sshd\[30795\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
Mar 29 18:22:02 wbs sshd\[30795\]: Failed password for invalid user qcj from 157.230.253.174 port 40734 ssh2
Mar 29 18:25:29 wbs sshd\[31035\]: Invalid user jenkins from 157.230.253.174
Mar 29 18:25:29 wbs sshd\[31035\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174

2020-03-13T22:02:56.814844vps773228.ovh.net sshd[4888]: Invalid user news from 157.230.253.174 port 60732
2020-03-13T22:02:56.832627vps773228.ovh.net sshd[4888]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
2020-03-13T22:02:56.814844vps773228.ovh.net sshd[4888]: Invalid user news from 157.230.253.174 port 60732
2020-03-13T22:02:59.027725vps773228.ovh.net sshd[4888]: Failed password for invalid user news from 157.230.253.174 port 60732 ssh2
2020-03-13T22:10:59.434850vps773228.ovh.net sshd[7814]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174  user=root
2020-03-13T22:11:02.272228vps773228.ovh.net sshd[7814]: Failed password for root from 157.230.253.174 port 33096 ssh2
2020-03-13T22:16:12.494242vps773228.ovh.net sshd[9699]: Invalid user gituser from 157.230.253.174 port 57380
2020-03-13T22:16:12.500565vps773228.ovh.net sshd[9699]: pam_unix(sshd:auth): authentication failure
...

Jan 29 19:03:50 pi sshd[12550]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174 
Jan 29 19:03:53 pi sshd[12550]: Failed password for invalid user jyotisa from 157.230.253.174 port 58812 ssh2

Mar 13 04:36:22 vmd26974 sshd[14565]: Failed password for root from 157.230.253.174 port 53086 ssh2
...

SSH auth scanning - multiple failed logins

Mar  3 17:41:38 NPSTNNYC01T sshd[22512]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
Mar  3 17:41:40 NPSTNNYC01T sshd[22512]: Failed password for invalid user ins from 157.230.253.174 port 50098 ssh2
Mar  3 17:46:35 NPSTNNYC01T sshd[22881]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
...

Feb 29 02:05:52 vps647732 sshd[11492]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
Feb 29 02:05:54 vps647732 sshd[11492]: Failed password for invalid user a from 157.230.253.174 port 44708 ssh2
...

Feb 25 00:50:38 sd-53420 sshd\[28171\]: Invalid user debug from 157.230.253.174
Feb 25 00:50:38 sd-53420 sshd\[28171\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
Feb 25 00:50:40 sd-53420 sshd\[28171\]: Failed password for invalid user debug from 157.230.253.174 port 33916 ssh2
Feb 25 00:55:44 sd-53420 sshd\[28607\]: Invalid user msagent from 157.230.253.174
Feb 25 00:55:44 sd-53420 sshd\[28607\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
...

DATE:2020-02-17 14:35:04, IP:157.230.253.174, PORT:ssh SSH brute force auth (docker-dc)

Feb  7 19:47:33 silence02 sshd[27446]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
Feb  7 19:47:35 silence02 sshd[27446]: Failed password for invalid user abr from 157.230.253.174 port 40182 ssh2
Feb  7 19:50:47 silence02 sshd[27734]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174

Feb  6 11:26:35 auw2 sshd\[20772\]: Invalid user bfa from 157.230.253.174
Feb  6 11:26:35 auw2 sshd\[20772\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174
Feb  6 11:26:37 auw2 sshd\[20772\]: Failed password for invalid user bfa from 157.230.253.174 port 56636 ssh2
Feb  6 11:27:47 auw2 sshd\[20887\]: Invalid user hch from 157.230.253.174
Feb  6 11:27:47 auw2 sshd\[20887\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.174

Unauthorized connection attempt detected from IP address 157.230.253.174 to port 2220 [J]

Aug 20 05:04:04 server sshd\[214594\]: Invalid user alex from 157.230.253.128
Aug 20 05:04:05 server sshd\[214594\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.128
Aug 20 05:04:08 server sshd\[214594\]: Failed password for invalid user alex from 157.230.253.128 port 38888 ssh2
...

Sep  7 03:57:05 cp sshd[2938]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.128

Sep  6 22:32:14 OPSO sshd\[14258\]: Invalid user support from 157.230.253.128 port 59694
Sep  6 22:32:14 OPSO sshd\[14258\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.128
Sep  6 22:32:16 OPSO sshd\[14258\]: Failed password for invalid user support from 157.230.253.128 port 59694 ssh2
Sep  6 22:37:22 OPSO sshd\[15175\]: Invalid user test from 157.230.253.128 port 47248
Sep  6 22:37:22 OPSO sshd\[15175\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.253.128

scans once in preceeding hours on the ports (in chronological order) 60001 resulting in total of 66 scans from 192.241.128.0/17 block.

Sep  4 13:12:33 vps647732 sshd[25758]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.13.31.73
Sep  4 13:12:35 vps647732 sshd[25758]: Failed password for invalid user info from 103.13.31.73 port 33896 ssh2
...

Sep  4 17:12:25 mail sshd[5269]: refused connect from 49.88.112.116 (49.88.112.116)
Sep  4 17:13:35 mail sshd[5359]: refused connect from 49.88.112.116 (49.88.112.116)
Sep  4 17:14:49 mail sshd[5442]: refused connect from 49.88.112.116 (49.88.112.116)
Sep  4 17:16:01 mail sshd[5540]: refused connect from 49.88.112.116 (49.88.112.116)
Sep  4 17:17:11 mail sshd[5622]: refused connect from 49.88.112.116 (49.88.112.116)
...

SSH Invalid Login

Lines containing failures of 123.171.42.28
Sep  2 04:12:33 newdogma sshd[22349]: Connection closed by 123.171.42.28 port 55930 [preauth]
Sep  2 04:14:17 newdogma sshd[22639]: Invalid user mysql from 123.171.42.28 port 47770
Sep  2 04:14:17 newdogma sshd[22639]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.171.42.28 
Sep  2 04:14:19 newdogma sshd[22639]: Failed password for invalid user mysql from 123.171.42.28 port 47770 ssh2
Sep  2 04:14:21 newdogma sshd[22639]: Received disconnect from 123.171.42.28 port 47770:11: Bye Bye [preauth]
Sep  2 04:14:21 newdogma sshd[22639]: Disconnected from invalid user mysql 123.171.42.28 port 47770 [preauth]
Sep  2 04:16:08 newdogma sshd[23038]: Invalid user stack from 123.171.42.28 port 39616
Sep  2 04:16:08 newdogma sshd[23038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.171.42.28 


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip

Sep  4 14:56:03 jumpserver sshd[227205]: Failed password for invalid user admin from 194.180.224.130 port 39898 ssh2
Sep  4 14:56:01 jumpserver sshd[227203]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.180.224.130  user=root
Sep  4 14:56:04 jumpserver sshd[227203]: Failed password for root from 194.180.224.130 port 39888 ssh2
...

Port Scan
...

Sep  4 17:03:24 abendstille sshd\[26320\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.0.41.70  user=root
Sep  4 17:03:26 abendstille sshd\[26320\]: Failed password for root from 146.0.41.70 port 59862 ssh2
Sep  4 17:07:22 abendstille sshd\[30531\]: Invalid user nao from 146.0.41.70
Sep  4 17:07:22 abendstille sshd\[30531\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.0.41.70
Sep  4 17:07:24 abendstille sshd\[30531\]: Failed password for invalid user nao from 146.0.41.70 port 38294 ssh2
...

Sep  3 18:47:39 mellenthin postfix/smtpd[20177]: NOQUEUE: reject: RCPT from unknown[111.94.54.164]: 554 5.7.1 Service unavailable; Client host [111.94.54.164] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/111.94.54.164; from= to= proto=ESMTP helo=

ban

Sep  4 16:12:07 vpn01 sshd[8916]: Failed password for root from 51.178.86.97 port 53234 ssh2
...

Automatic report - Banned IP Access

"fail2ban match"

Sep  4 06:12:56 host sshd[3009]: Invalid user magno from 192.144.140.20 port 46398
...

Lines containing failures of 2.202.194.246
Sep  2 01:24:44 metroid sshd[2609]: User r.r from 2.202.194.246 not allowed because listed in DenyUsers
Sep  2 01:24:44 metroid sshd[2609]: Received disconnect from 2.202.194.246 port 42198:11: Bye Bye [preauth]
Sep  2 01:24:44 metroid sshd[2609]: Disconnected from invalid user r.r 2.202.194.246 port 42198 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=2.202.194.246