Email Spam

Mar  7 05:40:23 mail.srvfarm.net postfix/smtpd[2576628]: NOQUEUE: reject: RCPT from unknown[134.73.51.147]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  7 05:40:23 mail.srvfarm.net postfix/smtpd[2593144]: NOQUEUE: reject: RCPT from unknown[134.73.51.147]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  7 05:40:23 mail.srvfarm.net postfix/smtpd[2591596]: NOQUEUE: reject: RCPT from unknown[134.73.51.147]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Mar  7 05:40:23 mail.srvfarm.net postfix/smtpd[2589512]: NOQUEUE: reject: RCPT from unknown[134.73.51.147]: 450 4.1.8 : Sender a

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

 TCP (SYN) 167.99.69.130:46692 -> port 10188, len 44

Sep 24 05:42:34 mavik sshd[5544]: Failed password for invalid user user11 from 1.85.17.20 port 42782 ssh2
Sep 24 05:47:00 mavik sshd[5707]: Invalid user elastic from 1.85.17.20
Sep 24 05:47:00 mavik sshd[5707]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.85.17.20
Sep 24 05:47:02 mavik sshd[5707]: Failed password for invalid user elastic from 1.85.17.20 port 43145 ssh2
Sep 24 05:51:28 mavik sshd[5915]: Invalid user team2 from 1.85.17.20
...

Sep 23 09:09:39 roki-contabo sshd\[29128\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.201.244.169  user=root
Sep 23 09:09:39 roki-contabo sshd\[29132\]: Invalid user user from 91.201.244.169
Sep 23 09:09:39 roki-contabo sshd\[29130\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.201.244.169  user=root
Sep 23 09:09:40 roki-contabo sshd\[29132\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.201.244.169
Sep 23 09:09:42 roki-contabo sshd\[29128\]: Failed password for root from 91.201.244.169 port 28501 ssh2
Sep 23 09:09:39 roki-contabo sshd\[29128\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.201.244.169  user=root
Sep 23 09:09:39 roki-contabo sshd\[29132\]: Invalid user user from 91.201.244.169
Sep 23 09:09:39 roki-contabo sshd\[29130\]: pam_unix\(sshd:auth\): authentication failure\; lognam
...

15 attempts against mh-modsecurity-ban on drop

port scan and connect, tcp 23 (telnet)

Sep 23 19:04:44 *hidden* sshd[10179]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.138.10.215 Sep 23 19:04:46 *hidden* sshd[10179]: Failed password for invalid user admin from 46.138.10.215 port 33468 ssh2 Sep 23 19:04:48 *hidden* sshd[10188]: Invalid user admin from 46.138.10.215 port 33560

fail2ban

$f2bV_matches

 TCP (SYN) 45.95.168.89:35880 -> port 22, len 44

$f2bV_matches

(sshd) Failed SSH login from 117.55.241.178 (IN/India/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 24 08:26:05 jbs1 sshd[19536]: Invalid user yuan from 117.55.241.178
Sep 24 08:26:05 jbs1 sshd[19536]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.55.241.178 
Sep 24 08:26:07 jbs1 sshd[19536]: Failed password for invalid user yuan from 117.55.241.178 port 58618 ssh2
Sep 24 08:33:58 jbs1 sshd[26916]: Invalid user ubuntu from 117.55.241.178
Sep 24 08:33:58 jbs1 sshd[26916]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.55.241.178

Sep 24 14:45:03 prod4 sshd\[10575\]: Invalid user setup from 178.62.37.78
Sep 24 14:45:05 prod4 sshd\[10575\]: Failed password for invalid user setup from 178.62.37.78 port 40896 ssh2
Sep 24 14:53:16 prod4 sshd\[13774\]: Invalid user internet from 178.62.37.78
...

Automatic report - Banned IP Access

Sep 24 01:52:38 web1 sshd\[8196\]: Invalid user testuser2 from 14.248.83.163
Sep 24 01:52:38 web1 sshd\[8196\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.248.83.163
Sep 24 01:52:40 web1 sshd\[8196\]: Failed password for invalid user testuser2 from 14.248.83.163 port 56432 ssh2
Sep 24 01:57:09 web1 sshd\[8578\]: Invalid user a from 14.248.83.163
Sep 24 01:57:09 web1 sshd\[8578\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.248.83.163

2020-09-24T02:38:12.505686devel sshd[25629]: Failed password for root from 52.187.70.139 port 58311 ssh2
2020-09-24T10:40:51.950770devel sshd[19528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=52.187.70.139  user=root
2020-09-24T10:40:54.357305devel sshd[19528]: Failed password for root from 52.187.70.139 port 37936 ssh2