2020-05-27 13:23:56.832527-0500  localhost smtpd[8787]: NOQUEUE: reject: RCPT from fsx131.isenders.net[193.111.79.131]: 554 5.7.1 Service unavailable; Client host [193.111.79.131] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=

spam

May 27 21:22:17 santamaria sshd\[32001\]: Invalid user 123 from 175.24.132.108
May 27 21:22:17 santamaria sshd\[32001\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.132.108
May 27 21:22:18 santamaria sshd\[32001\]: Failed password for invalid user 123 from 175.24.132.108 port 54948 ssh2
...

Fail2Ban Ban Triggered

[27/May/2020 x@x
[27/May/2020 x@x
[27/May/2020 x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=213.142.156.123

May 27 20:20:51 debian-2gb-nbg1-2 kernel: \[12862444.526810\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=182.151.205.83 DST=195.201.40.59 LEN=52 TOS=0x00 PREC=0x00 TTL=114 ID=2808 DF PROTO=TCP SPT=59475 DPT=1433 WINDOW=8192 RES=0x00 SYN URGP=0

2020-05-27T19:54:50.486952shield sshd\[5175\]: Invalid user rail from 198.245.49.37 port 50330
2020-05-27T19:54:50.490830shield sshd\[5175\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns514527.ip-198-245-49.net
2020-05-27T19:54:51.894597shield sshd\[5175\]: Failed password for invalid user rail from 198.245.49.37 port 50330 ssh2
2020-05-27T19:57:30.583995shield sshd\[5741\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns514527.ip-198-245-49.net  user=root
2020-05-27T19:57:32.950874shield sshd\[5741\]: Failed password for root from 198.245.49.37 port 43492 ssh2

20/5/27@15:35:09: FAIL: Alarm-Network address from=14.186.141.113
...

May 27 21:48:45 vps639187 sshd\[7285\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.31.83  user=root
May 27 21:48:47 vps639187 sshd\[7285\]: Failed password for root from 222.186.31.83 port 28335 ssh2
May 27 21:48:49 vps639187 sshd\[7285\]: Failed password for root from 222.186.31.83 port 28335 ssh2
...

firewall-block, port(s): 445/tcp

(sshd) Failed SSH login from 178.32.219.209 (FR/France/ns3306296.ip-178-32-219.eu): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May 27 20:28:23 ubnt-55d23 sshd[6585]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.32.219.209  user=root
May 27 20:28:26 ubnt-55d23 sshd[6585]: Failed password for root from 178.32.219.209 port 55350 ssh2

May 27 20:13:48 abendstille sshd\[8939\]: Invalid user forest from 139.59.77.240
May 27 20:13:48 abendstille sshd\[8939\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.77.240
May 27 20:13:50 abendstille sshd\[8939\]: Failed password for invalid user forest from 139.59.77.240 port 58990 ssh2
May 27 20:20:23 abendstille sshd\[15714\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.77.240  user=root
May 27 20:20:25 abendstille sshd\[15714\]: Failed password for root from 139.59.77.240 port 58754 ssh2
...

May 27 20:14:09 ip-172-31-61-156 sshd[27741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.154  user=root
May 27 20:14:11 ip-172-31-61-156 sshd[27741]: Failed password for root from 222.186.175.154 port 55428 ssh2
...

May 27 22:05:57 [host] sshd[26058]: Invalid user f
May 27 22:05:57 [host] sshd[26058]: pam_unix(sshd:
May 27 22:05:59 [host] sshd[26058]: Failed passwor

Unauthorized connection attempt detected, IP banned.