Dec  5 22:03:09 grey postfix/smtpd\[12170\]: NOQUEUE: reject: RCPT from caption.inbanke.com\[178.63.237.139\]: 554 5.7.1 Service unavailable\; Client host \[178.63.237.139\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[178.63.237.139\]\; from=\ to=\ proto=ESMTP helo=\
...

2019-12-05T21:54:27.175703shield sshd\[28546\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.126.211.108  user=root
2019-12-05T21:54:29.073697shield sshd\[28546\]: Failed password for root from 121.126.211.108 port 40000 ssh2
2019-12-05T22:00:50.066256shield sshd\[29941\]: Invalid user ensell from 121.126.211.108 port 50636
2019-12-05T22:00:50.070650shield sshd\[29941\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.126.211.108
2019-12-05T22:00:52.214458shield sshd\[29941\]: Failed password for invalid user ensell from 121.126.211.108 port 50636 ssh2

Dec  6 03:29:35 areeb-Workstation sshd[18368]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.115.100.201 
Dec  6 03:29:37 areeb-Workstation sshd[18368]: Failed password for invalid user dejade from 176.115.100.201 port 35454 ssh2
...

Dec  6 07:23:05 our-server-hostname postfix/smtpd[10710]: connect from unknown[46.36.153.248]
Dec x@x
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........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=46.36.153.248

Dec  5 22:03:06 MK-Soft-VM7 sshd[27268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.153.46.170 
Dec  5 22:03:09 MK-Soft-VM7 sshd[27268]: Failed password for invalid user admin from 180.153.46.170 port 52678 ssh2
...

Telnet/23 MH Probe, BF, Hack -

Dec  5 22:03:34 grey postfix/smtpd\[12163\]: NOQUEUE: reject: RCPT from weigh.swingthelamp.com\[69.94.158.94\]: 554 5.7.1 Service unavailable\; Client host \[69.94.158.94\] blocked using truncate.gbudb.net\; http://www.gbudb.com/truncate/ \[69.94.158.94\]\; from=\ to=\ proto=ESMTP helo=\
...

2019-12-05T22:11:49.113060shield sshd\[32237\]: Invalid user siddiqi from 118.34.12.35 port 44996
2019-12-05T22:11:49.117413shield sshd\[32237\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.34.12.35
2019-12-05T22:11:51.063559shield sshd\[32237\]: Failed password for invalid user siddiqi from 118.34.12.35 port 44996 ssh2
2019-12-05T22:18:06.741684shield sshd\[608\]: Invalid user janrune from 118.34.12.35 port 55254
2019-12-05T22:18:06.745862shield sshd\[608\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.34.12.35

Dec  5 22:50:57 vmanager6029 sshd\[1002\]: Invalid user catherine from 198.98.62.191 port 48662
Dec  5 22:50:57 vmanager6029 sshd\[1002\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.98.62.191
Dec  5 22:50:59 vmanager6029 sshd\[1002\]: Failed password for invalid user catherine from 198.98.62.191 port 48662 ssh2

Attempts to probe for or exploit a Drupal 7.67 site on url: /wp-login.php. Reported by the module https://www.drupal.org/project/abuseipdb.

it tried to break my email

Dec  5 11:44:48 wbs sshd\[6344\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static-176-175-110-238.ftth.abo.bbox.fr  user=root
Dec  5 11:44:50 wbs sshd\[6344\]: Failed password for root from 176.175.110.238 port 47344 ssh2
Dec  5 11:53:10 wbs sshd\[7206\]: Invalid user admin from 176.175.110.238
Dec  5 11:53:10 wbs sshd\[7206\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=static-176-175-110-238.ftth.abo.bbox.fr
Dec  5 11:53:12 wbs sshd\[7206\]: Failed password for invalid user admin from 176.175.110.238 port 57736 ssh2

SSH Brute-Force reported by Fail2Ban

Automatic report - Port Scan Attack

12/05/2019-16:03:37.999800 185.176.27.26 Protocol: 6 ET DROP Dshield Block Listed Source group 1