Oct 29 02:42:50 odroid64 sshd\[21595\]: User root from 129.211.113.29 not allowed because not listed in AllowUsers
Oct 29 02:42:50 odroid64 sshd\[21595\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.113.29  user=root
...

Honeypot attack, port: 23, PTR: 36-229-104-110.dynamic-ip.hinet.net.

Nov 21 07:18:05 h2177944 sshd\[5937\]: Invalid user rootmail from 1.186.45.250 port 55139
Nov 21 07:18:05 h2177944 sshd\[5937\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.186.45.250
Nov 21 07:18:08 h2177944 sshd\[5937\]: Failed password for invalid user rootmail from 1.186.45.250 port 55139 ssh2
Nov 21 07:22:42 h2177944 sshd\[6086\]: Invalid user 123abcdef from 1.186.45.250 port 44759
...

Honeypot attack, port: 23, PTR: AS45942.45.64.159.170.lucknow.sikkanet.com.

Honeypot attack, port: 23, PTR: 131-161-50-10.A.L.A.com.br.

Nov 21 07:18:29 [host] sshd[31840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.141.71.27  user=backup
Nov 21 07:18:31 [host] sshd[31840]: Failed password for backup from 187.141.71.27 port 51498 ssh2
Nov 21 07:22:33 [host] sshd[31875]: Invalid user ven from 187.141.71.27

2019-11-21T07:22:39.507394stark.klein-stark.info postfix/smtpd\[2270\]: NOQUEUE: reject: RCPT from marmalade.shrewdmhealth.com\[81.28.100.129\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
...

Nov 21 12:29:47 vps691689 sshd[22309]: Failed password for root from 222.186.3.249 port 13514 ssh2
Nov 21 12:30:56 vps691689 sshd[22327]: Failed password for root from 222.186.3.249 port 17566 ssh2
...

F2B jail: sshd. Time: 2019-11-21 10:27:19, Reported by: VKReport

Nov 21 10:34:34   TCP Attack: SRC=185.143.223.78 DST=[Masked] LEN=40 TOS=0x08 PREC=0x20 TTL=241  PROTO=TCP SPT=8080 DPT=44764 WINDOW=1024 RES=0x00 SYN URGP=0

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Nov 21 01:02:57 eola sshd[4072]: Invalid user gordon from 112.217.207.130 port 41210
Nov 21 01:02:57 eola sshd[4072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.217.207.130 
Nov 21 01:02:59 eola sshd[4072]: Failed password for invalid user gordon from 112.217.207.130 port 41210 ssh2
Nov 21 01:02:59 eola sshd[4072]: Received disconnect from 112.217.207.130 port 41210:11: Bye Bye [preauth]
Nov 21 01:02:59 eola sshd[4072]: Disconnected from 112.217.207.130 port 41210 [preauth]
Nov 21 01:14:25 eola sshd[4598]: Invalid user guest from 112.217.207.130 port 59540
Nov 21 01:14:25 eola sshd[4598]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.217.207.130 
Nov 21 01:14:27 eola sshd[4598]: Failed password for invalid user guest from 112.217.207.130 port 59540 ssh2
Nov 21 01:14:27 eola sshd[4598]: Received disconnect from 112.217.207.130 port 59540:11: Bye Bye [preauth]
Nov 21 01:14:27 eo........
-------------------------------

Nov 21 12:26:20 OPSO sshd\[1699\]: Invalid user postgres from 51.91.136.174 port 47064
Nov 21 12:26:20 OPSO sshd\[1699\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.136.174
Nov 21 12:26:22 OPSO sshd\[1699\]: Failed password for invalid user postgres from 51.91.136.174 port 47064 ssh2
Nov 21 12:34:57 OPSO sshd\[2758\]: Invalid user nexus from 51.91.136.174 port 55572
Nov 21 12:34:57 OPSO sshd\[2758\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.91.136.174

port scan and connect, tcp 23 (telnet)

Honeypot attack, port: 445, PTR: PTR record not found