Sep 17 19:57:04 web01.agentur-b-2.de postfix/smtpd[1726661]: lost connection after STARTTLS from unknown[203.86.30.17]
Sep 17 19:57:07 web01.agentur-b-2.de postfix/smtpd[1741741]: NOQUEUE: reject: RCPT from unknown[203.86.30.17]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Sep 17 19:57:07 web01.agentur-b-2.de postfix/smtpd[1741741]: NOQUEUE: reject: RCPT from unknown[203.86.30.17]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
Sep 17 19:58:10 web01.agentur-b-2.de postfix/smtpd[1741399]: lost connection after STARTTLS from unknown[203.86.30.17]
Sep 17 19:58:12 web01.agentur-b-2.de postfix/smtpd[1741741]: NOQUEUE: reject: RCPT from unknown[203.86.30.17]: 450 4.7.1 : Helo command rejected: Host not found; from=

Telnet/23 MH Probe, Scan, BF, Hack -

Sep 18 07:27:32 *** sshd[2168]: User root from 180.76.249.74 not allowed because not listed in AllowUsers

bruteforce detected

Sep 17 18:47:36 mail.srvfarm.net postfix/smtpd[163115]: warning: unknown[170.83.188.77]: SASL PLAIN authentication failed: 
Sep 17 18:47:37 mail.srvfarm.net postfix/smtpd[163115]: lost connection after AUTH from unknown[170.83.188.77]
Sep 17 18:47:53 mail.srvfarm.net postfix/smtps/smtpd[157125]: warning: unknown[170.83.188.77]: SASL PLAIN authentication failed: 
Sep 17 18:47:53 mail.srvfarm.net postfix/smtps/smtpd[157125]: lost connection after AUTH from unknown[170.83.188.77]
Sep 17 18:49:00 mail.srvfarm.net postfix/smtpd[163481]: warning: unknown[170.83.188.77]: SASL PLAIN authentication failed:

216.130.141.27 (US/United States/-), 3 distributed sshd attacks on account [pi] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 18 04:18:04 internal2 sshd[1797]: Invalid user pi from 216.130.141.27 port 38908
Sep 18 04:18:04 internal2 sshd[1794]: Invalid user pi from 216.130.141.27 port 38906
Sep 18 04:36:01 internal2 sshd[19080]: Invalid user pi from 75.132.6.243 port 60298

IP Addresses Blocked:

Bruteforce detected by fail2ban

2020-09-18T02:03:42.267628abusebot-8.cloudsearch.cf sshd[15623]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.37.110.238
2020-09-18T02:03:42.261013abusebot-8.cloudsearch.cf sshd[15623]: Invalid user webalizer from 66.37.110.238 port 59338
2020-09-18T02:03:43.990044abusebot-8.cloudsearch.cf sshd[15623]: Failed password for invalid user webalizer from 66.37.110.238 port 59338 ssh2
2020-09-18T02:08:05.043876abusebot-8.cloudsearch.cf sshd[15680]: Invalid user antai from 66.37.110.238 port 36778
2020-09-18T02:08:05.049748abusebot-8.cloudsearch.cf sshd[15680]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=66.37.110.238
2020-09-18T02:08:05.043876abusebot-8.cloudsearch.cf sshd[15680]: Invalid user antai from 66.37.110.238 port 36778
2020-09-18T02:08:06.877510abusebot-8.cloudsearch.cf sshd[15680]: Failed password for invalid user antai from 66.37.110.238 port 36778 ssh2
2020-09-18T02:12:21.920879abusebot-8.c
...

168.63.137.51 (HK/Hong Kong/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 18 03:34:31 server2 sshd[25906]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=168.63.137.51  user=root
Sep 18 03:34:31 server2 sshd[25904]: Failed password for root from 178.32.221.225 port 50780 ssh2
Sep 18 03:34:33 server2 sshd[25906]: Failed password for root from 168.63.137.51 port 1664 ssh2
Sep 18 03:34:11 server2 sshd[25815]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.76.93  user=root
Sep 18 03:34:13 server2 sshd[25815]: Failed password for root from 157.245.76.93 port 60238 ssh2
Sep 18 03:38:03 server2 sshd[29979]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.61.214  user=root

IP Addresses Blocked:

Sep 18 09:29:48 rush sshd[27531]: Failed password for root from 1.214.156.164 port 33281 ssh2
Sep 18 09:35:55 rush sshd[27702]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.214.156.164
Sep 18 09:35:57 rush sshd[27702]: Failed password for invalid user admin from 1.214.156.164 port 39014 ssh2
...

Sep 15 04:16:22 kunden sshd[10981]: Address 195.8.192.212 maps to 195-8-192-212.dsl.npbroadband.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Sep 15 04:16:22 kunden sshd[10981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.8.192.212  user=r.r
Sep 15 04:16:24 kunden sshd[10981]: Failed password for r.r from 195.8.192.212 port 43998 ssh2
Sep 15 04:16:24 kunden sshd[10981]: Received disconnect from 195.8.192.212: 11: Bye Bye [preauth]
Sep 15 04:24:50 kunden sshd[17982]: Address 195.8.192.212 maps to 195-8-192-212.dsl.npbroadband.net, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Sep 15 04:24:50 kunden sshd[17982]: Invalid user fubar from 195.8.192.212
Sep 15 04:24:50 kunden sshd[17982]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.8.192.212 
Sep 15 04:24:53 kunden sshd[17982]: Failed password for invalid user fubar from 195.8.........
-------------------------------

Sep 18 03:21:05 *** sshd[1297]: Invalid user sinusbot from 129.226.64.39

Sep 17 22:57:02 web1 sshd\[24041\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.123.166  user=root
Sep 17 22:57:04 web1 sshd\[24041\]: Failed password for root from 37.59.123.166 port 38844 ssh2
Sep 17 23:00:48 web1 sshd\[24336\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.123.166  user=root
Sep 17 23:00:50 web1 sshd\[24336\]: Failed password for root from 37.59.123.166 port 49552 ssh2
Sep 17 23:04:31 web1 sshd\[24667\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.59.123.166  user=root

SASL PLAIN auth failed: ruser=...

Telnet/23 MH Probe, Scan, BF, Hack -