Automatic report - XMLRPC Attack

Feb 16 17:28:02 ncomp sshd[24281]: Invalid user libsys from 139.59.84.111
Feb 16 17:28:02 ncomp sshd[24281]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.84.111
Feb 16 17:28:02 ncomp sshd[24281]: Invalid user libsys from 139.59.84.111
Feb 16 17:28:04 ncomp sshd[24281]: Failed password for invalid user libsys from 139.59.84.111 port 54904 ssh2

port scan and connect, tcp 23 (telnet)

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Automatic report - Port Scan

Feb 16 20:45:30 v22018053744266470 sshd[31835]: Failed password for root from 49.88.112.67 port 13177 ssh2
Feb 16 20:49:16 v22018053744266470 sshd[32070]: Failed password for root from 49.88.112.67 port 53125 ssh2
...

Feb 16 20:02:25 relay postfix/smtpd\[31439\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[185.143.223.163\]\>
Feb 16 20:02:25 relay postfix/smtpd\[31439\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[185.143.223.163\]\>
Feb 16 20:02:25 relay postfix/smtpd\[31439\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\<\[185.143.223.163\]\>
Feb 16 20:02:25 relay postfix/smtpd\[31439\]: NOQUEUE: reject: RCPT from unknown\[185.143.223.163\]: 554 5.7.1 \: Relay access denied\; from=\

Automatic report - XMLRPC Attack

Feb 16 19:20:22 IngegnereFirenze sshd[28823]: Failed password for invalid user ns2cserver from 107.173.140.14 port 39016 ssh2
...

Feb 16 20:39:31 pi sshd[17481]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.71.9.180 
Feb 16 20:39:34 pi sshd[17481]: Failed password for invalid user robyn from 167.71.9.180 port 56260 ssh2

W 31101,/var/log/nginx/access.log,-,-

Feb 16 20:47:17 mail postfix/smtpd\[23211\]: warning: unknown\[92.118.38.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Feb 16 20:47:49 mail postfix/smtpd\[23103\]: warning: unknown\[92.118.38.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Feb 16 21:18:13 mail postfix/smtpd\[23469\]: warning: unknown\[92.118.38.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Feb 16 21:18:44 mail postfix/smtpd\[23469\]: warning: unknown\[92.118.38.57\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\

Feb 16 12:57:42 askasleikir sshd[332259]: Failed password for invalid user baby from 82.200.65.218 port 43348 ssh2
Feb 16 13:10:19 askasleikir sshd[333271]: Failed password for invalid user sdtdserver from 82.200.65.218 port 37368 ssh2
Feb 16 13:01:26 askasleikir sshd[332620]: Failed password for invalid user cesar from 82.200.65.218 port 37612 ssh2

Unauthorized connection attempt detected from IP address 58.122.118.18 to port 23

Fail2Ban Ban Triggered