Mar  8 06:50:28 mail.srvfarm.net postfix/smtpd[3252800]: NOQUEUE: reject: RCPT from unknown[69.94.135.206]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 06:50:28 mail.srvfarm.net postfix/smtpd[3252861]: NOQUEUE: reject: RCPT from unknown[69.94.135.206]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 06:50:28 mail.srvfarm.net postfix/smtpd[3252859]: NOQUEUE: reject: RCPT from unknown[69.94.135.206]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  8 06:50:28 mail.srvfarm.net postfix/smtpd[3252862]: NOQUEUE: reject: RCPT from unknown[69.94.135.206]: 450 4.1.

Jun  5 16:34:11 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:34:16 mail.srvfarm.net postfix/smtpd[3129284]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:34:17 mail.srvfarm.net postfix/smtpd[3129250]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:40:00 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 :

Jun  5 18:39:26 mail.srvfarm.net postfix/smtpd[3176698]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177811]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177812]: NOQUEUE: reject: RCPT from unknown[69.94.135.199]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 18:42:05 mail.srvfarm.net postfix/smtpd[3177813]: NOQUEUE: reject: RCPT from unknown[69.94.135

Jun  2 13:46:57 mail.srvfarm.net postfix/smtpd[1211070]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:46:58 mail.srvfarm.net postfix/smtpd[1209266]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:47:19 mail.srvfarm.net postfix/smtpd[1203832]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  2 13:48:06 mail.srvfarm.net postfix/smtpd[1211325]: NOQUEUE: reject: RCPT from unknown[69.94.135.195]: 450 4.1.8 

Jun  1 14:44:00 mail.srvfarm.net postfix/smtpd[596959]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:08 mail.srvfarm.net postfix/smtpd[596422]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:13 mail.srvfarm.net postfix/smtpd[596965]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  1 14:44:47 mail.srvfarm.net postfix/smtpd[596955]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address r

May 25 13:33:01 mail.srvfarm.net postfix/smtpd[234571]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:33:37 mail.srvfarm.net postfix/smtpd[235744]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:41:34 mail.srvfarm.net postfix/smtpd[235739]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 25 13:41:50 mail.srvfarm.net postfix/smtpd[244198]: NOQUEUE: reject: RCPT from unknown[69.94.135.190]: 450 4.1.8 

May 16 22:16:33 mail.srvfarm.net postfix/smtpd[2812805]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812174]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812804]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May 16 22:17:19 mail.srvfarm.net postfix/smtpd[2812792]: NOQUEUE: reject: RCPT from unknown[69.94.135.194]: 450 4.

Email Spam

Apr 30 22:45:00 mail.srvfarm.net postfix/smtpd[780204]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:48:12 mail.srvfarm.net postfix/smtpd[780202]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:50:44 mail.srvfarm.net postfix/smtpd[780207]: NOQUEUE: reject: RCPT from unknown[69.94.135.184]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:52:27 mail.srvfarm.net postfix/smtpd[7737

Apr 23 10:22:32 mail.srvfarm.net postfix/smtpd[3842038]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:23:38 mail.srvfarm.net postfix/smtpd[3840616]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:24:10 mail.srvfarm.net postfix/smtpd[3831317]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 23 10:24:46 mail.srvfarm.net postfix/smtpd[3840615]: NOQUEUE: reject: RCPT from unknown[69.94.135.145]: 450 4.1

Apr 22 05:23:34 web01.agentur-b-2.de postfix/smtpd[67232]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 22 05:24:27 web01.agentur-b-2.de postfix/smtpd[70916]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 554 5.7.1 Service unavailable; Client host [69.94.135.193] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr 22 05:24:49 web01.agentur-b-2.de postfix/smtpd[67186]: NOQUEUE: reject: RCPT from sundry.gratefulhope.com[69.94.135.193]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 22 05:30:13 web

Apr 21 05:30:35 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:31:16 web01.agentur-b-2.de postfix/smtpd[1804130]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:32:50 web01.agentur-b-2.de postfix/smtpd[1805329]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 21 05:39:31 web01.agentur-b-2.de postfix/smtpd[1805328]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejec

Apr 20 22:35:52 mail.srvfarm.net postfix/smtpd[2306699]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from= to= proto=ESMTP helo=
Apr 20 22:36:24 mail.srvfarm.net postfix/smtpd[2306699]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from= to= proto=ESMTP helo=
Apr 20 22:36:25 mail.srvfarm.net postfix/smtpd[2307048]: NOQUEUE: reject: RCPT from unknown[69.94.135.201]: 554 5.7.1 Service unavailable; Client host [69.94.135.201] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?69.94.135.201; from=

Apr 19 05:30:22 web01.agentur-b-2.de postfix/smtpd[70375]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:32:48 web01.agentur-b-2.de postfix/smtpd[69236]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:35:08 web01.agentur-b-2.de postfix/smtpd[69236]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.145]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 19 05:36:57 web01.agentur-b-2.de postfix/smtpd[72153]: NOQUEUE: reject: RCPT from cap.gratefulhope.com[69.94.135.14

Apr 18 05:31:11 mail.srvfarm.net postfix/smtpd[3928349]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:31:36 mail.srvfarm.net postfix/smtpd[3924176]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:32:00 mail.srvfarm.net postfix/smtpd[3928236]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 18 05:34:36 mail.srvfarm.net postfix/smtpd[3926439]: NOQUEUE: reject: RCPT from unknown[69.94.135.193]: 450 4.1.8 : Sender a

Apr 17 05:31:24 web01.agentur-b-2.de postfix/smtpd[879561]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:31:58 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:32:16 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 17 05:33:03 web01.agentur-b-2.de postfix/smtpd[879560]: NOQUEUE: reject: RCPT from unknown[69.94.135.172]: 450 4.7.1 : Helo command rejected: Host n

Nov 25 07:55:48 game-panel sshd[6422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.34.173.49
Nov 25 07:55:50 game-panel sshd[6422]: Failed password for invalid user rohwer from 171.34.173.49 port 46295 ssh2
Nov 25 08:03:47 game-panel sshd[6705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=171.34.173.49

2019-11-25T11:47:09.936959abusebot.cloudsearch.cf sshd\[13360\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=244.ip-158-69-63.net  user=root

2019-11-25T07:27:33.955223abusebot-5.cloudsearch.cf sshd\[24478\]: Invalid user gong from 112.216.51.122 port 36848

114.67.82.158 was recorded 236 times by 32 hosts attempting to connect to the following ports: 2375,2376,2377,4243. Incident counter (4h, 24h, all-time): 236, 1173, 2244

Nov 25 10:15:26 server sshd\[25374\]: Invalid user walter from 110.43.34.48
Nov 25 10:15:26 server sshd\[25374\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.43.34.48 
Nov 25 10:15:28 server sshd\[25374\]: Failed password for invalid user walter from 110.43.34.48 port 31670 ssh2
Nov 25 10:42:22 server sshd\[32302\]: Invalid user faggion from 110.43.34.48
Nov 25 10:42:22 server sshd\[32302\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=110.43.34.48 
...

Automatic report - XMLRPC Attack

Nov 25 13:00:39 MK-Soft-VM8 sshd[20651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.29.105.125 
Nov 25 13:00:41 MK-Soft-VM8 sshd[20651]: Failed password for invalid user shuster from 195.29.105.125 port 37892 ssh2
...

Nov 25 16:33:10 our-server-hostname postfix/smtpd[23502]: connect from unknown[123.20.94.43]
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x
Nov x@x


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=123.20.94.43

Fail2Ban - SSH Bruteforce Attempt

Nov 25 07:21:47 localhost sshd\[11030\]: Invalid user hung from 193.112.44.102 port 52640
Nov 25 07:21:47 localhost sshd\[11030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.44.102
Nov 25 07:21:49 localhost sshd\[11030\]: Failed password for invalid user hung from 193.112.44.102 port 52640 ssh2

Nov 25 07:22:02 smtp postfix/smtpd[52757]: NOQUEUE: reject: RCPT from wait.shrewdmhealth.com[81.28.100.97]: 554 5.7.1 Service unavailable; Client host [81.28.100.97] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
...

220.136.35.57 was recorded 5 times by 1 hosts attempting to connect to the following ports: 51413. Incident counter (4h, 24h, all-time): 5, 5, 5

SSH bruteforce (Triggered fail2ban)

159.203.27.100 - - \[25/Nov/2019:07:17:24 +0000\] "POST /wp-login.php HTTP/1.1" 200 4358 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
159.203.27.100 - - \[25/Nov/2019:07:17:25 +0000\] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...

Nov 25 06:34:02 web1 postfix/smtpd[3522]: warning: unknown[193.56.28.177]: SASL LOGIN authentication failed: authentication failure
Nov 25 06:34:02 web1 postfix/smtpd[3522]: warning: unknown[193.56.28.177]: SASL LOGIN authentication failed: authentication failure
...