Jul 30 15:16:42 mockhub sshd[27250]: Failed password for root from 37.59.48.181 port 51338 ssh2
...

3050/tcp 8945/tcp 8047/tcp...
[2020-07-09/30]13pkt,12pt.(tcp),1pt.(udp)

Jul 30 18:44:43 firewall sshd[24850]: Failed password for root from 119.29.173.247 port 39552 ssh2
Jul 30 18:47:56 firewall sshd[24935]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.173.247  user=root
Jul 30 18:47:58 firewall sshd[24935]: Failed password for root from 119.29.173.247 port 34958 ssh2
...

Jul 31 00:23:32 vmd36147 sshd[29874]: Failed password for root from 141.144.61.39 port 39156 ssh2
Jul 31 00:29:16 vmd36147 sshd[10195]: Failed password for root from 141.144.61.39 port 48512 ssh2
...

Lines containing failures of 114.236.209.138
Jul 30 22:11:01 shared12 sshd[6520]: Bad protocol version identification '' from 114.236.209.138 port 54039
Jul 30 22:11:06 shared12 sshd[6528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.236.209.138  user=r.r
Jul 30 22:11:08 shared12 sshd[6528]: Failed password for r.r from 114.236.209.138 port 54232 ssh2
Jul 30 22:11:09 shared12 sshd[6528]: Connection closed by authenticating user r.r 114.236.209.138 port 54232 [preauth]
Jul 30 22:11:13 shared12 sshd[6537]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.236.209.138  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=114.236.209.138

Jul 30 16:25:49 lanister sshd[32134]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.10.87.20  user=root
Jul 30 16:25:51 lanister sshd[32134]: Failed password for root from 103.10.87.20 port 28977 ssh2
Jul 30 16:28:16 lanister sshd[32176]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.10.87.20  user=root
Jul 30 16:28:18 lanister sshd[32176]: Failed password for root from 103.10.87.20 port 63169 ssh2

$f2bV_matches

fail2ban detected brute force on sshd

Jul 30 17:12:54 ws24vmsma01 sshd[201876]: Failed password for root from 106.13.37.170 port 47676 ssh2
Jul 30 17:21:16 ws24vmsma01 sshd[240674]: Failed password for root from 106.13.37.170 port 59420 ssh2
...

 TCP (SYN) 85.24.187.193:4082 -> port 23, len 40

2020-07-30T22:04:49.374079shield sshd\[2149\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host254.net158.alania.net  user=root
2020-07-30T22:04:51.213850shield sshd\[2149\]: Failed password for root from 78.110.158.254 port 50072 ssh2
2020-07-30T22:06:05.238194shield sshd\[2740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host254.net158.alania.net  user=root
2020-07-30T22:06:07.183646shield sshd\[2740\]: Failed password for root from 78.110.158.254 port 40058 ssh2
2020-07-30T22:07:22.534637shield sshd\[3223\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host254.net158.alania.net  user=root

2020-07-31T00:53:10.109270afi-git.jinr.ru sshd[3400]: Invalid user pgonta from 193.70.38.187 port 37998
2020-07-31T00:53:10.112759afi-git.jinr.ru sshd[3400]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.ip-193-70-38.eu
2020-07-31T00:53:10.109270afi-git.jinr.ru sshd[3400]: Invalid user pgonta from 193.70.38.187 port 37998
2020-07-31T00:53:12.326055afi-git.jinr.ru sshd[3400]: Failed password for invalid user pgonta from 193.70.38.187 port 37998 ssh2
2020-07-31T00:56:56.736054afi-git.jinr.ru sshd[4472]: Invalid user wangdc from 193.70.38.187 port 47764
...

2020-07-28T17:47:25.003850perso.[domain] sshd[2700405]: Invalid user smiles from 51.77.34.244 port 46952 2020-07-28T17:47:26.462985perso.[domain] sshd[2700405]: Failed password for invalid user smiles from 51.77.34.244 port 46952 ssh2 2020-07-28T17:53:48.274503perso.[domain] sshd[2703387]: Invalid user scl from 51.77.34.244 port 56980 ...

2020-07-31T01:29:56.891485afi-git.jinr.ru sshd[13705]: Invalid user wujian from 217.171.12.154 port 36742
2020-07-31T01:29:56.894857afi-git.jinr.ru sshd[13705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=mail.kolgotki-optom.ru
2020-07-31T01:29:56.891485afi-git.jinr.ru sshd[13705]: Invalid user wujian from 217.171.12.154 port 36742
2020-07-31T01:29:58.952344afi-git.jinr.ru sshd[13705]: Failed password for invalid user wujian from 217.171.12.154 port 36742 ssh2
2020-07-31T01:34:17.842564afi-git.jinr.ru sshd[14756]: Invalid user nxitc from 217.171.12.154 port 42678
...

Jul 30 09:07:21 georgia postfix/smtpd[64194]: connect from unknown[116.239.253.57]
Jul 30 09:07:22 georgia postfix/smtpd[64194]: warning: unknown[116.239.253.57]: SASL LOGIN authentication failed: authentication failure
Jul 30 09:07:22 georgia postfix/smtpd[64194]: lost connection after AUTH from unknown[116.239.253.57]
Jul 30 09:07:22 georgia postfix/smtpd[64194]: disconnect from unknown[116.239.253.57] ehlo=1 auth=0/1 commands=1/2
Jul 30 09:07:26 georgia postfix/smtpd[64194]: connect from unknown[116.239.253.57]
Jul 30 09:07:27 georgia postfix/smtpd[64194]: warning: unknown[116.239.253.57]: SASL LOGIN authentication failed: authentication failure
Jul 30 09:07:27 georgia postfix/smtpd[64194]: lost connection after AUTH from unknown[116.239.253.57]
Jul 30 09:07:27 georgia postfix/smtpd[64194]: disconnect from unknown[116.239.253.57] ehlo=1 auth=0/1 commands=1/2
Jul 30 09:07:27 georgia postfix/smtpd[64194]: connect from unknown[116.239.253.57]
Jul 30 09:24:14 georgia pos........
-------------------------------