Postfix RBL failed

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/........
-------------------------------

Jul 27 01:39:42 nextcloud sshd\[23980\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.181  user=root
Jul 27 01:39:44 nextcloud sshd\[23980\]: Failed password for root from 112.85.42.181 port 52333 ssh2
Jul 27 01:40:02 nextcloud sshd\[24325\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.181  user=root

93.113.111.193 - - \[27/Jul/2020:01:38:43 +0200\] "POST /wp-login.php HTTP/1.0" 200 4128 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
93.113.111.193 - - \[27/Jul/2020:01:38:43 +0200\] "POST /wp-login.php HTTP/1.0" 200 3955 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
93.113.111.193 - - \[27/Jul/2020:01:38:44 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 736 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

Jul 26 13:59:48 dignus sshd[16144]: Failed password for invalid user mc from 188.254.0.182 port 45652 ssh2
Jul 26 14:03:27 dignus sshd[16707]: Invalid user ansible from 188.254.0.182 port 41390
Jul 26 14:03:27 dignus sshd[16707]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.254.0.182
Jul 26 14:03:29 dignus sshd[16707]: Failed password for invalid user ansible from 188.254.0.182 port 41390 ssh2
Jul 26 14:06:58 dignus sshd[17254]: Invalid user leon from 188.254.0.182 port 37130
...

151.80.45.51 - - \[27/Jul/2020:01:24:08 +0200\] "POST /wp-login.php HTTP/1.0" 200 6827 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
151.80.45.51 - - \[27/Jul/2020:01:24:08 +0200\] "POST /wp-login.php HTTP/1.0" 200 6825 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
151.80.45.51 - - \[27/Jul/2020:01:24:08 +0200\] "POST /wp-login.php HTTP/1.0" 200 6673 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"

Jul 25 01:19:34 colin sshd[9152]: Address 185.129.103.130 maps to ddos-guard.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Jul 25 01:19:34 colin sshd[9152]: Invalid user developers from 185.129.103.130
Jul 25 01:19:37 colin sshd[9152]: Failed password for invalid user developers from 185.129.103.130 port 34444 ssh2
Jul 25 01:23:24 colin sshd[9327]: Address 185.129.103.130 maps to ddos-guard.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Jul 25 01:23:24 colin sshd[9327]: Invalid user yangyang from 185.129.103.130
Jul 25 01:23:26 colin sshd[9327]: Failed password for invalid user yangyang from 185.129.103.130 port 50204 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=185.129.103.130

Jul 26 19:16:59 firewall sshd[17896]: Invalid user admin from 111.67.193.218
Jul 26 19:17:01 firewall sshd[17896]: Failed password for invalid user admin from 111.67.193.218 port 36794 ssh2
Jul 26 19:20:57 firewall sshd[17999]: Invalid user brady from 111.67.193.218
...

Jul 26 23:24:39 Ubuntu-1404-trusty-64-minimal sshd\[22119\]: Invalid user chain from 118.89.160.141
Jul 26 23:24:39 Ubuntu-1404-trusty-64-minimal sshd\[22119\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.160.141
Jul 26 23:24:41 Ubuntu-1404-trusty-64-minimal sshd\[22119\]: Failed password for invalid user chain from 118.89.160.141 port 48328 ssh2
Jul 26 23:33:35 Ubuntu-1404-trusty-64-minimal sshd\[4201\]: Invalid user Admin from 118.89.160.141
Jul 26 23:33:35 Ubuntu-1404-trusty-64-minimal sshd\[4201\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.89.160.141

Connection to SSH Honeypot - Detected by HoneypotDB

"fail2ban match"

Port probing on unauthorized port 23

2020-07-26T20:34:51.373776shield sshd\[24925\]: Invalid user bruce from 111.229.211.5 port 56042
2020-07-26T20:34:51.383844shield sshd\[24925\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.211.5
2020-07-26T20:34:53.308997shield sshd\[24925\]: Failed password for invalid user bruce from 111.229.211.5 port 56042 ssh2
2020-07-26T20:40:20.371399shield sshd\[26097\]: Invalid user vnc from 111.229.211.5 port 60974
2020-07-26T20:40:20.380784shield sshd\[26097\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.211.5

47.241.145.0 - - [26/Jul/2020:22:12:31 +0200] "POST /wp-login.php HTTP/1.1" 200 3433 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...

Jul 27 01:14:21 relay postfix/smtpd\[13262\]: warning: unknown\[193.35.48.18\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 27 01:14:37 relay postfix/smtpd\[10672\]: warning: unknown\[193.35.48.18\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 27 01:14:57 relay postfix/smtpd\[13259\]: warning: unknown\[193.35.48.18\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 27 01:15:13 relay postfix/smtpd\[13265\]: warning: unknown\[193.35.48.18\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 27 01:15:32 relay postfix/smtpd\[13266\]: warning: unknown\[193.35.48.18\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

Jul 27 00:56:33 ip106 sshd[21607]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.115.36 
Jul 27 00:56:35 ip106 sshd[21607]: Failed password for invalid user badrul from 106.52.115.36 port 39720 ssh2
...

2020-07-26T18:17:55.332255server.mjenks.net sshd[3739470]: Invalid user ek from 51.79.145.158 port 59710
2020-07-26T18:17:55.339577server.mjenks.net sshd[3739470]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.79.145.158
2020-07-26T18:17:55.332255server.mjenks.net sshd[3739470]: Invalid user ek from 51.79.145.158 port 59710
2020-07-26T18:17:57.438833server.mjenks.net sshd[3739470]: Failed password for invalid user ek from 51.79.145.158 port 59710 ssh2
2020-07-26T18:22:09.304478server.mjenks.net sshd[3739828]: Invalid user test2 from 51.79.145.158 port 46366
...