Oct  7 14:40:39 core sshd[22956]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.124.161.75  user=root
Oct  7 14:40:40 core sshd[22956]: Failed password for root from 178.124.161.75 port 39908 ssh2
...

Lines containing failures of 157.245.202.66
Oct  7 11:12:30 zabbix sshd[71634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.202.66  user=r.r
Oct  7 11:12:32 zabbix sshd[71634]: Failed password for r.r from 157.245.202.66 port 55596 ssh2
Oct  7 11:12:32 zabbix sshd[71634]: Received disconnect from 157.245.202.66 port 55596:11: Bye Bye [preauth]
Oct  7 11:12:32 zabbix sshd[71634]: Disconnected from authenticating user r.r 157.245.202.66 port 55596 [preauth]
Oct  7 11:41:46 zabbix sshd[74458]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.245.202.66  user=r.r
Oct  7 11:41:48 zabbix sshd[74458]: Failed password for r.r from 157.245.202.66 port 39488 ssh2
Oct  7 11:41:48 zabbix sshd[74458]: Received disconnect from 157.245.202.66 port 39488:11: Bye Bye [preauth]
Oct  7 11:41:48 zabbix sshd[74458]: Disconnected from authenticating user r.r 157.245.202.66 port 39488 [preauth]
Oct  ........
------------------------------

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/190.175.184.99/ 
 AR - 1H : (49)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : AR 
 NAME ASN : ASN22927 
 
 IP : 190.175.184.99 
 
 CIDR : 190.174.0.0/15 
 
 PREFIX COUNT : 244 
 
 UNIQUE IP COUNT : 4001024 
 
 
 WYKRYTE ATAKI Z ASN22927 :  
  1H - 1 
  3H - 2 
  6H - 4 
 12H - 6 
 24H - 29 
 
 DateTime : 2019-10-07 13:48:08 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery

Automatic report - Banned IP Access

2019-10-07T07:58:51.3856341495-001 sshd\[28260\]: Invalid user Poker123 from 106.12.148.155 port 58330
2019-10-07T07:58:51.3948231495-001 sshd\[28260\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.148.155
2019-10-07T07:58:53.3307121495-001 sshd\[28260\]: Failed password for invalid user Poker123 from 106.12.148.155 port 58330 ssh2
2019-10-07T08:03:38.5125861495-001 sshd\[28672\]: Invalid user P@ssw0rd\#12345 from 106.12.148.155 port 33512
2019-10-07T08:03:38.5199711495-001 sshd\[28672\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.148.155
2019-10-07T08:03:40.1895201495-001 sshd\[28672\]: Failed password for invalid user P@ssw0rd\#12345 from 106.12.148.155 port 33512 ssh2
...

Oct  7 12:22:19 venus sshd\[20441\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.124.16.227  user=root
Oct  7 12:22:21 venus sshd\[20441\]: Failed password for root from 222.124.16.227 port 38612 ssh2
Oct  7 12:27:17 venus sshd\[20464\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.124.16.227  user=root
...

Oct  7 13:44:22 host sshd\[32365\]: Failed password for root from 185.81.193.40 port 55165 ssh2
Oct  7 13:47:43 host sshd\[34096\]: Failed password for root from 185.81.193.40 port 62169 ssh2
...

Oct  7 13:47:38 relay postfix/smtpd\[26966\]: NOQUEUE: reject: RCPT from unknown\[193.32.160.136\]: 554 5.7.1 \: Relay access denied\; from=\<8vo5y5rmwos8j@apocalypse-gallery.com.cy\> to=\ proto=ESMTP helo=\<\[193.32.160.135\]\>
Oct  7 13:47:38 relay postfix/smtpd\[26966\]: NOQUEUE: reject: RCPT from unknown\[193.32.160.136\]: 554 5.7.1 \: Relay access denied\; from=\<8vo5y5rmwos8j@apocalypse-gallery.com.cy\> to=\ proto=ESMTP helo=\<\[193.32.160.135\]\>
Oct  7 13:47:38 relay postfix/smtpd\[26966\]: NOQUEUE: reject: RCPT from unknown\[193.32.160.136\]: 554 5.7.1 \: Relay access denied\; from=\<8vo5y5rmwos8j@apocalypse-gallery.com.cy\> to=\ proto=ESMTP helo=\<\[193.32.160.135\]\>
Oct  7 13:47:38 relay postfix/smtpd\[26966\]: NOQUEUE: reject: RCPT from unknown\[193.32.160.136\]: 554 5.7.1 \

2019-10-07T11:48:14.850603abusebot-2.cloudsearch.cf sshd\[27827\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.227.252.5  user=root

2019-10-07T12:20:21.597675abusebot-7.cloudsearch.cf sshd\[9902\]: Invalid user France@2017 from 58.1.134.41 port 39636

Fail2Ban Ban Triggered

Oct  7 08:09:35 our-server-hostname postfix/smtpd[17040]: connect from unknown[41.83.80.88]
Oct  7 08:09:39 our-server-hostname sqlgrey: grey: new: 41.83.80.88(41.83.80.88), x@x -> x@x
Oct  7 08:09:39 our-server-hostname postfix/policy-spf[24757]: : Policy action=550 Please see hxxp://www.openspf.org/Why?s=mfrom;id=damonl%40interline.com.au;ip=41.83.80.88;r=mx1.cbr.spam-filtering-appliance 
Oct x@x
Oct  7 08:09:40 our-server-hostname postfix/smtpd[17040]: lost connection after DATA from unknown[41.83.80.88]
Oct  7 08:09:40 our-server-hostname postfix/smtpd[17040]: disconnect from unknown[41.83.80.88]
Oct  7 08:09:57 our-server-hostname postfix/smtpd[6243]: connect from unknown[41.83.80.88]
Oct  7 08:09:59 our-server-hostname sqlgrey: grey: new: 41.83.80.88(41.83.80.88), x@x -> x@x
Oct  7 08:09:59 our-server-hostname postfix/policy-spf[24853]: : Policy action=550 Please see hxxp://www.openspf.org/Why?s=mfrom;id=damcodd%40apex.net.au;ip=41.83.80.88;r=mx1.cbr.spam-filterin........
-------------------------------

*Port Scan* detected from 107.13.186.21 (US/United States/mta-107-13-186-21.nc.rr.com). 4 hits in the last 30 seconds

Autoban   45.82.33.35 AUTH/CONNECT

Oct  7 11:46:05  postfix/smtpd: warning: unknown[5.196.217.179]: SASL LOGIN authentication failed