(pop3d) Failed POP3 login from 188.159.162.13 (IR/Iran/adsl-188-159-162-13.sabanet.ir): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Oct  3 00:03:01 ir1 dovecot[1917636]: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=188.159.162.13, lip=5.63.12.44, session=

Oct  2 22:33:20 vps647732 sshd[1867]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.87.18.188
Oct  2 22:33:22 vps647732 sshd[1867]: Failed password for invalid user tit0nich from 89.87.18.188 port 50431 ssh2
...

Sep 23 02:03:43 *hidden* postfix/postscreen[23861]: DNSBL rank 4 for [162.142.125.50]:45272

Oct  3 12:51:13 firewall sshd[19918]: Invalid user nagios from 49.235.84.250
Oct  3 12:51:15 firewall sshd[19918]: Failed password for invalid user nagios from 49.235.84.250 port 35522 ssh2
Oct  3 12:55:07 firewall sshd[19947]: Invalid user luis from 49.235.84.250
...

Oct  3 12:16:08 vps46666688 sshd[24531]: Failed password for root from 68.116.41.6 port 32934 ssh2
Oct  3 12:25:26 vps46666688 sshd[24649]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=68.116.41.6
...

Invalid user gustavo from 203.109.82.44 port 41806

Oct  3 19:50:09 buvik sshd[29772]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.70.189.203
Oct  3 19:50:11 buvik sshd[29772]: Failed password for invalid user alex from 66.70.189.203 port 48254 ssh2
Oct  3 19:57:52 buvik sshd[30713]: Invalid user nikhil from 66.70.189.203
...

Auto Fail2Ban report, multiple SSH login attempts.

 TCP (SYN) 46.187.38.244:56815 -> port 1080, len 60

srvr2: (mod_security) mod_security (id:920350) triggered by 103.141.174.130 (BD/-/-): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/10/02 22:33:37 [error] 142888#0: *187758 [client 103.141.174.130] ModSecurity: Access denied with code 406 (phase 2). Matched "Operator `Rx' with parameter `^[\d.:]+$' against variable `REQUEST_HEADERS:Host'  [redacted] [file "/etc/modsecurity.d/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "718"] [id "920350"] [rev ""] [msg "Host header is a numeric IP address"] [redacted] [severity "4"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/210/272"] [tag "PCI/6.5.10"] [redacted] [uri "/"] [unique_id "160167081795.491896"] [ref "o0,15v21,15"], client: 103.141.174.130, [redacted] request: "GET / HTTP/1.1" [redacted]

Oct  3 17:18:51 vlre-nyc-1 sshd\[25439\]: Invalid user nikhil from 45.248.69.106
Oct  3 17:18:51 vlre-nyc-1 sshd\[25439\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.248.69.106
Oct  3 17:18:53 vlre-nyc-1 sshd\[25439\]: Failed password for invalid user nikhil from 45.248.69.106 port 32962 ssh2
Oct  3 17:21:00 vlre-nyc-1 sshd\[25454\]: Invalid user admin from 45.248.69.106
Oct  3 17:21:00 vlre-nyc-1 sshd\[25454\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.248.69.106
...

2020-10-01 11:04:30 server sshd[92804]: Failed password for invalid user test from 51.83.69.142 port 55186 ssh2

Unauthorised connection attempt detected at AUO NODE 4. System is sshd. Protected by AUO Stack Web Application Firewall (WAF)

Invalid user president from 117.50.63.120 port 46586

DATE:2020-10-03 20:05:08, IP:138.68.148.177, PORT:ssh SSH brute force auth (docker-dc)