Mar 20 06:00:12 mail.srvfarm.net postfix/smtpd[2607471]: NOQUEUE: reject: RCPT from unknown[134.73.51.149]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 20 06:00:12 mail.srvfarm.net postfix/smtpd[2602535]: NOQUEUE: reject: RCPT from unknown[134.73.51.149]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 20 06:00:12 mail.srvfarm.net postfix/smtpd[2607110]: NOQUEUE: reject: RCPT from unknown[134.73.51.149]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 20 06:00:12 mail.srvfarm.net postfix/smtpd[2607268]: NOQUEUE: reject: RCPT from unknown[134.73.51.149]: 450 4.1.8 : Sender addr

Apr  2 15:10:30 mail.srvfarm.net postfix/smtpd[1975768]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=
Apr  2 15:13:04 mail.srvfarm.net postfix/smtpd[1975772]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=
Apr  2 15:16:00 mail.srvfarm.net postfix/smtpd[1962002]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 : Relay access denied; from= to= proto=ESMTP helo=
Apr  2 15:16:02 mail.srvfarm.net postfix/smtpd[1978064]: NOQUEUE: reject: RCPT from squirrel.superacrepair.com[134.73.51.96]: 554 5.7.1 Service unavailab

Apr  2 05:37:50 web01.agentur-b-2.de postfix/smtpd[64779]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:37:58 web01.agentur-b-2.de postfix/smtpd[64780]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:39:38 web01.agentur-b-2.de postfix/smtpd[64779]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73.51.53]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr  2 05:39:56 web01.agentur-b-2.de postfix/smtpd[64780]: NOQUEUE: reject: RCPT from shocker.juntosms.com[134.73

Apr  2 05:24:38 mail.srvfarm.net postfix/smtpd[1752292]: NOQUEUE: reject: RCPT from depend.superacrepair.com[134.73.51.76]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:24:38 mail.srvfarm.net postfix/smtpd[1751041]: NOQUEUE: reject: RCPT from depend.superacrepair.com[134.73.51.76]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:24:38 mail.srvfarm.net postfix/smtpd[1753888]: NOQUEUE: reject: RCPT from depend.superacrepair.com[134.73.51.76]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr  2 05:24:39 mail.srvfarm.net postfix/smtpd[1752172]: NOQUEUE: reject: RCPT from depend.superacrepair.co

Apr  1 05:35:30 mail.srvfarm.net postfix/smtpd[1068652]: NOQUEUE: reject: RCPT from unknown[134.73.51.62]: 554 5.7.1 Service unavailable; Client host [134.73.51.62] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr  1 05:35:30 mail.srvfarm.net postfix/smtpd[1071960]: NOQUEUE: reject: RCPT from unknown[134.73.51.62]: 554 5.7.1 Service unavailable; Client host [134.73.51.62] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
Apr  1 05:35:30 mail.srvfarm.net postfix/smtpd[1069650]: NOQUEUE: reject: RCPT from unknown[134.73.51.62]: 554 5.7.1 Service unavailable; Client host [134.73.51.62] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=

Mar 31 15:27:26 mail.srvfarm.net postfix/smtpd[605797]: NOQUEUE: reject: RCPT from unknown[134.73.51.37]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 15:27:30 mail.srvfarm.net postfix/smtpd[605800]: NOQUEUE: reject: RCPT from unknown[134.73.51.37]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 15:31:58 mail.srvfarm.net postfix/smtpd[619495]: NOQUEUE: reject: RCPT from unknown[134.73.51.37]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 15:35:15 mail.srvfarm.net postfix/smtpd[622924]: NOQUEUE: reject: RCPT

Mar 31 05:27:16 mail.srvfarm.net postfix/smtpd[361760]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:28:14 mail.srvfarm.net postfix/smtpd[381494]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:33:04 mail.srvfarm.net postfix/smtpd[377289]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:33:18 mail.srvfarm.net postfix/smtpd[365658]: NOQUEUE: reject: RCPT from unknown[134.73.51.12]: 450 4.1.8 

Mar 31 05:25:53 mail.srvfarm.net postfix/smtpd[365653]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:26:37 mail.srvfarm.net postfix/smtpd[365653]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:27:07 mail.srvfarm.net postfix/smtpd[361760]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:27:56 mail.srvfarm.net postfix/smtpd[364919]: NOQUEUE: reject: RCPT from unknown[134.73.51.113]: 450 4.1.8 <

Mar 31 05:42:52 mail.srvfarm.net postfix/smtpd[381494]: NOQUEUE: reject: RCPT from unknown[134.73.51.168]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:42:58 mail.srvfarm.net postfix/smtpd[383948]: NOQUEUE: reject: RCPT from unknown[134.73.51.168]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:43:28 mail.srvfarm.net postfix/smtpd[377289]: NOQUEUE: reject: RCPT from unknown[134.73.51.168]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 31 05:43:56 mail.srvfarm.net postfix/smtpd[377290

Mar 30 16:52:11 mail.srvfarm.net postfix/smtpd[1589027]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 30 16:52:11 mail.srvfarm.net postfix/smtpd[1604476]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 30 16:53:16 mail.srvfarm.net postfix/smtpd[1604431]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 30 16:56:13 mail.srvfarm.net postfix/smtpd[1608170]: NOQUEUE: reject: RCPT from unknown[134.73.51.177]: 450 4.1.8 

Mar 29 05:41:35 mail.srvfarm.net postfix/smtpd[755834]: NOQUEUE: reject: RCPT from kinky.juntosms.com[134.73.51.40]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:45:17 mail.srvfarm.net postfix/smtpd[774355]: NOQUEUE: reject: RCPT from kinky.juntosms.com[134.73.51.40]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:46:32 mail.srvfarm.net postfix/smtpd[755491]: NOQUEUE: reject: RCPT from kinky.juntosms.com[134.73.51.40]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:48:27 mail.srvfarm.net postfix/smtpd[755834]: NOQUEUE: reject: RCPT from kinky.junt

Mar 29 05:41:45 mail.srvfarm.net postfix/smtpd[770786]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:45:13 mail.srvfarm.net postfix/smtpd[774355]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:48:25 mail.srvfarm.net postfix/smtpd[770789]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 29 05:50:03 mail.srvfarm.net postfix/smtpd[774394]: NOQUEUE: reject: RCPT from unknown[134.73.51.131]: 450 4.1.8 

Mar 28 04:41:31 mail.srvfarm.net postfix/smtpd[160963]: NOQUEUE: reject: RCPT from unknown[134.73.51.221]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 28 04:46:02 mail.srvfarm.net postfix/smtpd[160577]: NOQUEUE: reject: RCPT from unknown[134.73.51.221]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 28 04:46:02 mail.srvfarm.net postfix/smtpd[160577]: NOQUEUE: reject: RCPT from unknown[134.73.51.221]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 28 04:49:26 mail.srvfarm.net postfix/smtpd[1602

Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3723724]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3721876]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3723721]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 05:42:05 mail.srvfarm.net postfix/smtpd[3721944]: NOQUEUE: reject: RCPT from unknown[134.73.51.153]:

Mar 27 06:01:19 mail.srvfarm.net postfix/smtpd[3722006]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 06:02:10 mail.srvfarm.net postfix/smtpd[3722006]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 06:03:07 mail.srvfarm.net postfix/smtpd[3721909]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar 27 06:03:18 mail.srvfarm.net postfix/smtpd[3722006]: NOQUEUE: reject: RCPT from unknown[134.73.51.215]:

Mar 23 15:42:08 web01 postfix/smtpd[13317]: connect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:42:09 web01 policyd-spf[13319]: None; identhostnamey=helo; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar 23 15:42:09 web01 policyd-spf[13319]: Pass; identhostnamey=mailfrom; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar x@x
Mar 23 15:42:10 web01 postfix/smtpd[13317]: disconnect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:47:38 web01 postfix/smtpd[13627]: connect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:47:38 web01 policyd-spf[13660]: None; identhostnamey=helo; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar 23 15:47:38 web01 policyd-spf[13660]: Pass; identhostnamey=mailfrom; client-ip=134.73.51.173; helo=arrange.tmtsuarl.com; envelope-from=x@x
Mar x@x
Mar 23 15:47:39 web01 postfix/smtpd[13627]: disconnect from arrange.yojaana.com[134.73.51.173]
Mar 23 15:51:19 web01 postfix/........
-------------------------------

Invalid user ident from 174.138.44.30 port 60380

2019-11-16T04:25:29.6200931495-001 sshd\[50434\]: Invalid user test from 103.21.125.17 port 56194
2019-11-16T04:25:29.6288421495-001 sshd\[50434\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.21.125.17
2019-11-16T04:25:31.5674201495-001 sshd\[50434\]: Failed password for invalid user test from 103.21.125.17 port 56194 ssh2
2019-11-16T04:29:37.0157651495-001 sshd\[50576\]: Invalid user cadat from 103.21.125.17 port 36110
2019-11-16T04:29:37.0223111495-001 sshd\[50576\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.21.125.17
2019-11-16T04:29:39.3383161495-001 sshd\[50576\]: Failed password for invalid user cadat from 103.21.125.17 port 36110 ssh2
...

Nov 16 12:54:08 *** sshd[28923]: Invalid user operator from 115.78.8.83

Invalid user user from 45.253.26.34 port 50810

[Aegis] @ 2019-11-16 11:31:34  0000 -> Attempted Administrator Privilege Gain: ET SCAN LibSSH Based Frequent SSH Connections Likely BruteForce Attack

Automatic report - Banned IP Access

Telnet/23 MH Probe, BF, Hack -

F2B jail: sshd. Time: 2019-11-16 14:19:05, Reported by: VKReport

Nov 16 14:30:19 sd-53420 sshd\[17694\]: Invalid user ojee from 193.70.43.220
Nov 16 14:30:19 sd-53420 sshd\[17694\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.70.43.220
Nov 16 14:30:21 sd-53420 sshd\[17694\]: Failed password for invalid user ojee from 193.70.43.220 port 36484 ssh2
Nov 16 14:34:15 sd-53420 sshd\[18840\]: Invalid user passfile from 193.70.43.220
Nov 16 14:34:15 sd-53420 sshd\[18840\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.70.43.220
...

port scan and connect, tcp 23 (telnet)

Nov 16 13:42:18 vps647732 sshd[30165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.251.35.49
Nov 16 13:42:20 vps647732 sshd[30165]: Failed password for invalid user leptonkg from 213.251.35.49 port 34240 ssh2
...

2019-11-16T11:16:43.8827771240 sshd\[1141\]: Invalid user host from 106.13.86.136 port 32894
2019-11-16T11:16:43.8862281240 sshd\[1141\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.86.136
2019-11-16T11:16:45.8300591240 sshd\[1141\]: Failed password for invalid user host from 106.13.86.136 port 32894 ssh2
...

F2B jail: sshd. Time: 2019-11-16 14:23:47, Reported by: VKReport

Lines containing failures of 119.188.210.75
Nov 14 06:03:35 zabbix sshd[67015]: Invalid user athira from 119.188.210.75 port 43202
Nov 14 06:03:35 zabbix sshd[67015]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.188.210.75
Nov 14 06:03:36 zabbix sshd[67015]: Failed password for invalid user athira from 119.188.210.75 port 43202 ssh2
Nov 14 06:03:36 zabbix sshd[67015]: Received disconnect from 119.188.210.75 port 43202:11: Bye Bye [preauth]
Nov 14 06:03:36 zabbix sshd[67015]: Disconnected from invalid user athira 119.188.210.75 port 43202 [preauth]
Nov 14 06:21:46 zabbix sshd[79653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.188.210.75  user=r.r
Nov 14 06:21:49 zabbix sshd[79653]: Failed password for r.r from 119.188.210.75 port 34903 ssh2
Nov 14 06:21:49 zabbix sshd[79653]: Received disconnect from 119.188.210.75 port 34903:11: Bye Bye [preauth]
Nov 14 06:21:49 zabbix sshd[79........
------------------------------

217.182.192.118 - - \[16/Nov/2019:13:01:51 +0000\] "POST /wp/wp-login.php HTTP/1.1" 200 4205 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
217.182.192.118 - - \[16/Nov/2019:13:01:52 +0000\] "POST /wp/xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...