Sep 22 15:24:29 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\
Sep 22 15:25:28 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\
Sep 22 15:28:25 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\<4BcRRySTsghQUkE8\>
Sep 22 15:29:44 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, session=\
Sep 22 15:30:48 relay dovecot: pop3-login: Aborted login \(auth failed, 1 attempts in 2 secs\): user=\, method=PLAIN, rip=80.82.65.60, lip=176.9.177.164, sessio
...

Sep 22 03:40:36 sachi sshd\[10798\]: Invalid user mud from 128.199.162.2
Sep 22 03:40:36 sachi sshd\[10798\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.162.2
Sep 22 03:40:37 sachi sshd\[10798\]: Failed password for invalid user mud from 128.199.162.2 port 60520 ssh2
Sep 22 03:45:57 sachi sshd\[11264\]: Invalid user luca from 128.199.162.2
Sep 22 03:45:57 sachi sshd\[11264\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.162.2

2019-09-22T09:16:09.2726581495-001 sshd\[21718\]: Failed password for invalid user porteria from 85.15.75.66 port 49786 ssh2
2019-09-22T09:30:34.8655361495-001 sshd\[23366\]: Invalid user passpass from 85.15.75.66 port 54156
2019-09-22T09:30:34.8692941495-001 sshd\[23366\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=a85-15-75-66.pppoe.vtelecom.ru
2019-09-22T09:30:37.3792041495-001 sshd\[23366\]: Failed password for invalid user passpass from 85.15.75.66 port 54156 ssh2
2019-09-22T09:35:19.0104791495-001 sshd\[23797\]: Invalid user loop from 85.15.75.66 port 46199
2019-09-22T09:35:19.0145431495-001 sshd\[23797\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=a85-15-75-66.pppoe.vtelecom.ru
...

Sep 22 16:09:38 webserver postfix/smtpd\[31553\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 16:11:58 webserver postfix/smtpd\[30709\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 16:14:29 webserver postfix/smtpd\[31553\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 16:16:52 webserver postfix/smtpd\[31553\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 22 16:19:20 webserver postfix/smtpd\[31553\]: warning: unknown\[46.38.144.202\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...

SS5,WP GET /blog/wp-login.php
GET /blog/wp-login.php

Sep 22 13:55:22 monocul sshd[24200]: Invalid user yuanwd from 14.29.237.125 port 51622
...

Sep 22 15:32:46 lnxweb61 sshd[14883]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.235.91.156

Sep 22 16:10:18 mail postfix/smtpd\[311\]: warning: unknown\[144.76.149.117\]: SASL CRAM-MD5 authentication failed: Invalid authentication mechanism
Sep 22 16:15:06 mail postfix/smtpd\[2462\]: warning: unknown\[144.76.149.117\]: SASL CRAM-MD5 authentication failed: Invalid authentication mechanism
Sep 22 16:15:18 mail postfix/smtpd\[314\]: warning: unknown\[144.76.149.117\]: SASL CRAM-MD5 authentication failed: Invalid authentication mechanism

2019-09-22T20:56:14.795594enmeeting.mahidol.ac.th sshd\[20441\]: User root from 222.186.30.152 not allowed because not listed in AllowUsers
2019-09-22T20:56:15.182580enmeeting.mahidol.ac.th sshd\[20441\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.152  user=root
2019-09-22T20:56:17.245714enmeeting.mahidol.ac.th sshd\[20441\]: Failed password for invalid user root from 222.186.30.152 port 38826 ssh2
...

$f2bV_matches

EventTime:Sun Sep 22 22:46:05 AEST 2019,EventName:Client denied: configuration,TargetDataNamespace:/,TargetDataContainer:srv/www/upperbay.info/site/wp-login.php, referer: http://upperbay.info/,TargetDataName:wp-login.php,SourceIP:166.62.121.223,VendorOutcomeCode:E_NULL,InitiatorServiceName:41138

Trying ports that it shouldn't be.

Sep 22 03:56:04 web1 sshd\[11544\]: Invalid user kjayroe from 103.86.49.102
Sep 22 03:56:04 web1 sshd\[11544\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.86.49.102
Sep 22 03:56:06 web1 sshd\[11544\]: Failed password for invalid user kjayroe from 103.86.49.102 port 52674 ssh2
Sep 22 04:01:24 web1 sshd\[12032\]: Invalid user cam from 103.86.49.102
Sep 22 04:01:24 web1 sshd\[12032\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.86.49.102

Sep 22 13:54:37 hcbbdb sshd\[29626\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203-213-67-30.static.tpgi.com.au  user=root
Sep 22 13:54:39 hcbbdb sshd\[29626\]: Failed password for root from 203.213.67.30 port 55502 ssh2
Sep 22 14:00:47 hcbbdb sshd\[30446\]: Invalid user moodle from 203.213.67.30
Sep 22 14:00:48 hcbbdb sshd\[30446\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203-213-67-30.static.tpgi.com.au
Sep 22 14:00:50 hcbbdb sshd\[30446\]: Failed password for invalid user moodle from 203.213.67.30 port 43001 ssh2

IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/114.29.253.240/ 
 MY - 1H : (17)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : MY 
 NAME ASN : ASN55720 
 
 IP : 114.29.253.240 
 
 CIDR : 114.29.253.0/24 
 
 PREFIX COUNT : 272 
 
 UNIQUE IP COUNT : 69888 
 
 
 WYKRYTE ATAKI Z ASN55720 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 INFO : SYN Flood DDoS Attack Denial-of-Service Attack (DoS) Detected and Blocked by ADMIN  - data recovery