Mar 16 15:45:36 web01 postfix/smtpd[22025]: connect from flag.ehfizi.com[63.82.48.38]
Mar 16 15:45:36 web01 policyd-spf[22069]: None; identhostnamey=helo; client-ip=63.82.48.38; helo=flag.tgptest.com; envelope-from=x@x
Mar 16 15:45:36 web01 policyd-spf[22069]: Pass; identhostnamey=mailfrom; client-ip=63.82.48.38; helo=flag.tgptest.com; envelope-from=x@x
Mar x@x
Mar 16 15:45:36 web01 postfix/smtpd[22025]: disconnect from flag.ehfizi.com[63.82.48.38]
Mar 16 15:46:05 web01 postfix/smtpd[21075]: connect from flag.ehfizi.com[63.82.48.38]
Mar 16 15:46:06 web01 policyd-spf[22161]: None; identhostnamey=helo; client-ip=63.82.48.38; helo=flag.tgptest.com; envelope-from=x@x
Mar 16 15:46:06 web01 policyd-spf[22161]: Pass; identhostnamey=mailfrom; client-ip=63.82.48.38; helo=flag.tgptest.com; envelope-from=x@x
Mar x@x
Mar 16 15:46:06 web01 postfix/smtpd[21075]: disconnect from flag.ehfizi.com[63.82.48.38]
Mar 16 15:50:00 web01 postfix/smtpd[21075]: connect from flag.ehfizi.com[63.82........
-------------------------------

Jun 10 05:40:34 mail.srvfarm.net postfix/smtpd[2068244]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 10 05:41:13 mail.srvfarm.net postfix/smtpd[2068037]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 10 05:44:06 mail.srvfarm.net postfix/smtpd[2068244]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun 10 05:44:51 mail.srvfarm.net postfix/smtpd[2067986]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender addr

Jun  5 17:26:18 web01.agentur-b-2.de postfix/smtpd[255076]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  5 17:26:18 web01.agentur-b-2.de postfix/smtpd[256572]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  5 17:29:00 web01.agentur-b-2.de postfix/smtpd[256572]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  5 17:34:35 web01.agentur-b-2.de postfix/smtpd[255076]: NOQUEUE: reject: RCPT from unknown[63.82.48.200]: 450 4.7.1 

Jun  5 16:37:47 mail.srvfarm.net postfix/smtpd[3129216]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:42:01 mail.srvfarm.net postfix/smtpd[3132026]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:44:00 mail.srvfarm.net postfix/smtpd[3129250]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  5 16:46:39 mail.srvfarm.net postfix/smtpd[3132026]: NOQUEUE: reject: RCPT from unknown[63.82.48.254]: 450 4.1.8 

Postfix RBL failed

Jun  4 14:42:25 mail.srvfarm.net postfix/smtpd[2524285]: NOQUEUE: reject: RCPT from discover.jdmbrosllc.com[63.82.48.233]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  4 14:42:46 mail.srvfarm.net postfix/smtpd[2523659]: NOQUEUE: reject: RCPT from discover.jdmbrosllc.com[63.82.48.233]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  4 14:43:25 mail.srvfarm.net postfix/smtpd[2523656]: NOQUEUE: reject: RCPT from discover.jdmbrosllc.com[63.82.48.233]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Jun  4 14:43:48 mail.srvfarm.net postfix/smtpd[2523330]: NOQUEUE: reject: RCPT from d

Jun  1 13:37:52 web01.agentur-b-2.de postfix/smtpd[592715]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  1 13:38:06 web01.agentur-b-2.de postfix/smtpd[591656]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  1 13:38:09 web01.agentur-b-2.de postfix/smtpd[592715]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Jun  1 13:40:53 web01.agentur-b-2.de postfix/smtpd[592715]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.7.1 : Helo command rej

May 20 01:33:40 web01.agentur-b-2.de postfix/smtpd[459681]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 20 01:37:38 web01.agentur-b-2.de postfix/smtpd[461049]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 20 01:38:17 web01.agentur-b-2.de postfix/smtpd[459681]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 20 01:43:33 web01.agentur-b-2.de postfix/smtpd[459681]: NOQUEUE: reject: RCPT from unknown[63.82.48.253]: 450 4.7.1 

2020-05-10 H=pie.jdmbrosllc.com \(pie.ailacabs.com\) \[63.82.48.241\] F=\ rejected RCPT \<**REMOVED**_perl.org@**REMOVED**.de\>: Mail not accepted. 63.82.48.241 is listed at a DNSBL.
2020-05-10 H=pie.jdmbrosllc.com \(pie.ailacabs.com\) \[63.82.48.241\] F=\ rejected RCPT \<**REMOVED****REMOVED**perl.org@**REMOVED**.de\>: recipient blacklisted
2020-05-10 H=pie.jdmbrosllc.com \(pie.ailacabs.com\) \[63.82.48.241\] F=\ rejected RCPT \<**REMOVED**_last.fm@**REMOVED**.de\>: Mail not accepted. 63.82.48.241 is listed at a DNSBL.

May  5 06:30:37 web01.agentur-b-2.de postfix/smtpd[87093]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  5 06:31:21 web01.agentur-b-2.de postfix/smtpd[87093]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  5 06:33:34 web01.agentur-b-2.de postfix/smtpd[87277]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  5 06:35:42 web01.agentur-b-2.de postfix/smtpd[87093]: NOQUEUE: reject: RCPT from unknown[63.82.48.225]: 450 4.7.1 : Helo command rejected: Host not found; f

May  2 05:34:14 web01.agentur-b-2.de postfix/smtpd[976469]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  2 05:34:15 web01.agentur-b-2.de postfix/smtpd[976089]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  2 05:35:52 web01.agentur-b-2.de postfix/smtpd[978764]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May  2 05:39:08 web01.agentur-b-2.de postfix/smtpd[983789]: NOQUEUE: reject: RCPT from unknown[63.82.48.236]: 450 4.7.1 : Helo command rejected:

May  1 15:00:00 mail.srvfarm.net postfix/smtpd[1274237]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May  1 15:00:36 mail.srvfarm.net postfix/smtpd[1274215]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May  1 15:00:40 mail.srvfarm.net postfix/smtpd[1274325]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
May  1 15:01:29 mail.srvfarm.net postfix/smtpd[1271594]: NOQUEUE: reject: RCPT from unknown[63.82.48.245]: 450 4.1.8 

Apr 30 22:31:47 mail.srvfarm.net postfix/smtpd[773728]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:33:11 mail.srvfarm.net postfix/smtpd[773728]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:33:19 mail.srvfarm.net postfix/smtpd[777594]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 30 22:34:05 mail.srvfarm.net postfix/smtpd[778258]: NOQUEUE: reject: RCPT from unknown[63.82.48.244]: 450 4.1.8 : Sender addres

Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1084617]: NOQUEUE: reject: RCPT from unknown[63.82.48.203]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1084901]: NOQUEUE: reject: RCPT from unknown[63.82.48.203]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1089891]: NOQUEUE: reject: RCPT from unknown[63.82.48.203]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 29 13:47:16 web01.agentur-b-2.de postfix/smtpd[1089892]: NOQUEUE: reject: RCPT from unknown[63.82.

Apr 25 05:49:59 mail.srvfarm.net postfix/smtpd[854255]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:50:00 mail.srvfarm.net postfix/smtpd[854253]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:50:00 mail.srvfarm.net postfix/smtpd[854252]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4.1.8 : Sender address rejected: Domain not found; from= to= proto=ESMTP helo=
Apr 25 05:50:14 mail.srvfarm.net postfix/smtpd[853297]: NOQUEUE: reject: RCPT from unknown[63.82.48.242]: 450 4

Apr 24 05:31:51 web01.agentur-b-2.de postfix/smtpd[499241]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 24 05:35:28 web01.agentur-b-2.de postfix/smtpd[499263]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 24 05:35:51 web01.agentur-b-2.de postfix/smtpd[497817]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Apr 24 05:36:27 web01.agentur-b-2.de postfix/smtpd[500606]: NOQUEUE: reject: RCPT from unknown[63.82.48.231]: 450 4.7.1 : Helo command rejected: Host no

Automatic report - Port Scan Attack

$f2bV_matches

SSH brutforce

Dec  4 13:29:35 sd-53420 sshd\[32478\]: User root from 222.186.190.2 not allowed because none of user's groups are listed in AllowGroups
Dec  4 13:29:35 sd-53420 sshd\[32478\]: Failed none for invalid user root from 222.186.190.2 port 12030 ssh2
Dec  4 13:29:35 sd-53420 sshd\[32478\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.190.2  user=root
Dec  4 13:29:37 sd-53420 sshd\[32478\]: Failed password for invalid user root from 222.186.190.2 port 12030 ssh2
Dec  4 13:29:40 sd-53420 sshd\[32478\]: Failed password for invalid user root from 222.186.190.2 port 12030 ssh2
...

Dec  4 12:19:25 vps647732 sshd[19578]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.36.220.145
Dec  4 12:19:27 vps647732 sshd[19578]: Failed password for invalid user test123 from 89.36.220.145 port 39923 ssh2
...

$f2bV_matches

SSH Brute-Force reported by Fail2Ban

MultiHost/MultiPort Probe, Scan, Hack -

Dec  4 13:20:15 sd-53420 sshd\[30851\]: Invalid user gergen from 114.141.191.238
Dec  4 13:20:15 sd-53420 sshd\[30851\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.141.191.238
Dec  4 13:20:16 sd-53420 sshd\[30851\]: Failed password for invalid user gergen from 114.141.191.238 port 42570 ssh2
Dec  4 13:27:58 sd-53420 sshd\[32192\]: Invalid user ewt from 114.141.191.238
Dec  4 13:27:58 sd-53420 sshd\[32192\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=114.141.191.238
...

MultiHost/MultiPort Probe, Scan, Hack -

Dec  4 13:39:40 h2177944 sshd\[8773\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.175  user=root
Dec  4 13:39:41 h2177944 sshd\[8773\]: Failed password for root from 112.85.42.175 port 50022 ssh2
Dec  4 13:39:45 h2177944 sshd\[8773\]: Failed password for root from 112.85.42.175 port 50022 ssh2
Dec  4 13:39:48 h2177944 sshd\[8773\]: Failed password for root from 112.85.42.175 port 50022 ssh2
...

Dec  4 15:20:46 microserver sshd[43353]: Invalid user bartok from 165.22.144.147 port 60448
Dec  4 15:20:46 microserver sshd[43353]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.144.147
Dec  4 15:20:48 microserver sshd[43353]: Failed password for invalid user bartok from 165.22.144.147 port 60448 ssh2
Dec  4 15:27:42 microserver sshd[44260]: Invalid user remmelt from 165.22.144.147 port 43084
Dec  4 15:27:42 microserver sshd[44260]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.144.147
Dec  4 15:38:06 microserver sshd[45788]: Invalid user wwwadmin from 165.22.144.147 port 36582
Dec  4 15:38:06 microserver sshd[45788]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.144.147
Dec  4 15:38:08 microserver sshd[45788]: Failed password for invalid user wwwadmin from 165.22.144.147 port 36582 ssh2
Dec  4 15:43:33 microserver sshd[46566]: Invalid user pcap from 165.22.144.14

Dec  4 12:08:42 wh01 sshd[15896]: Invalid user admin from 185.38.3.138 port 57788
Dec  4 12:08:42 wh01 sshd[15896]: Failed password for invalid user admin from 185.38.3.138 port 57788 ssh2
Dec  4 12:08:42 wh01 sshd[15896]: Received disconnect from 185.38.3.138 port 57788:11: Bye Bye [preauth]
Dec  4 12:08:42 wh01 sshd[15896]: Disconnected from 185.38.3.138 port 57788 [preauth]
Dec  4 12:17:28 wh01 sshd[16793]: Failed password for root from 185.38.3.138 port 56916 ssh2
Dec  4 12:17:28 wh01 sshd[16793]: Received disconnect from 185.38.3.138 port 56916:11: Bye Bye [preauth]
Dec  4 12:17:28 wh01 sshd[16793]: Disconnected from 185.38.3.138 port 56916 [preauth]
Dec  4 12:41:44 wh01 sshd[19067]: Invalid user cvs from 185.38.3.138 port 42968
Dec  4 12:41:44 wh01 sshd[19067]: Failed password for invalid user cvs from 185.38.3.138 port 42968 ssh2
Dec  4 12:41:44 wh01 sshd[19067]: Received disconnect from 185.38.3.138 port 42968:11: Bye Bye [preauth]
Dec  4 12:41:44 wh01 sshd[19067]: Disconnected

SSH auth scanning - multiple failed logins

Dec  4 14:48:19 sauna sshd[36444]: Failed password for root from 222.186.175.148 port 15398 ssh2
Dec  4 14:48:34 sauna sshd[36444]: error: maximum authentication attempts exceeded for root from 222.186.175.148 port 15398 ssh2 [preauth]
...