Sep 12 09:25:00 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=80.82.70.214, lip=185.118.198.210, session=<4QvXshivPE1QUkbW>
Sep 12 09:25:05 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 6 secs): user=, method=PLAIN, rip=80.82.70.214, lip=185.118.198.210, session=
Sep 12 09:26:26 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=80.82.70.214, lip=185.118.198.210, session=
Sep 12 09:27:19 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=80.82.70.214, lip=185.118.198.210, session=
Sep 12 09:28:50 web01.agentur-b-2.de dovecot: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): us

(mod_security) mod_security (id:210730) triggered by 103.131.71.56 (VN/Vietnam/bot-103-131-71-56.coccoc.com): 5 in the last 3600 secs

Port Scan/VNC login attempt
...

port scan and connect, tcp 23 (telnet)

$f2bV_matches

1599843280 - 09/11/2020 18:54:40 Host: 31.187.0.153/31.187.0.153 Port: 445 TCP Blocked

Sep 12 05:58:40 XXX sshd[37929]: Invalid user epmeneze from 35.199.73.100 port 59774

Sep 12 04:15:11 h2779839 sshd[9783]: Invalid user server from 159.226.170.253 port 64779
Sep 12 04:15:11 h2779839 sshd[9783]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.226.170.253
Sep 12 04:15:11 h2779839 sshd[9783]: Invalid user server from 159.226.170.253 port 64779
Sep 12 04:15:13 h2779839 sshd[9783]: Failed password for invalid user server from 159.226.170.253 port 64779 ssh2
Sep 12 04:20:04 h2779839 sshd[9805]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.226.170.253  user=root
Sep 12 04:20:05 h2779839 sshd[9805]: Failed password for root from 159.226.170.253 port 36044 ssh2
Sep 12 04:25:01 h2779839 sshd[9840]: Invalid user user from 159.226.170.253 port 51889
Sep 12 04:25:01 h2779839 sshd[9840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.226.170.253
Sep 12 04:25:01 h2779839 sshd[9840]: Invalid user user from 159.226.170.253 port 51889
S
...

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Time:     Sat Sep 12 03:30:11 2020 -0400
IP:       51.254.22.172 (FR/France/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep 12 03:15:15 pv-11-ams1 sshd[24540]: Invalid user huawei from 51.254.22.172 port 36640
Sep 12 03:15:16 pv-11-ams1 sshd[24540]: Failed password for invalid user huawei from 51.254.22.172 port 36640 ssh2
Sep 12 03:26:13 pv-11-ams1 sshd[24986]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.22.172  user=root
Sep 12 03:26:15 pv-11-ams1 sshd[24986]: Failed password for root from 51.254.22.172 port 46894 ssh2
Sep 12 03:30:06 pv-11-ams1 sshd[25123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.254.22.172  user=root

Port scan denied

Fail2Ban Ban Triggered (2)

Sep 11 18:45:48 sshgateway sshd\[26274\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.98.124.86.16clouds.com  user=root
Sep 11 18:45:50 sshgateway sshd\[26274\]: Failed password for root from 66.98.124.86 port 34024 ssh2
Sep 11 18:54:36 sshgateway sshd\[27408\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.98.124.86.16clouds.com  user=root

$f2bV_matches

$f2bV_matches