Unauthorised access (Oct  8) SRC=1.54.51.236 LEN=40 TTL=47 ID=43470 TCP DPT=8080 WINDOW=48900 SYN 
Unauthorised access (Oct  7) SRC=1.54.51.236 LEN=40 TTL=47 ID=8471 TCP DPT=8080 WINDOW=48939 SYN 
Unauthorised access (Oct  7) SRC=1.54.51.236 LEN=40 TTL=48 ID=18978 TCP DPT=8080 WINDOW=129 SYN 
Unauthorised access (Oct  7) SRC=1.54.51.236 LEN=40 TTL=48 ID=41737 TCP DPT=8080 WINDOW=48939 SYN 
Unauthorised access (Oct  6) SRC=1.54.51.236 LEN=40 TTL=48 ID=18197 TCP DPT=8080 WINDOW=48939 SYN

2019-10-08T05:53:20.6844221495-001 sshd\[59416\]: Failed password for invalid user 123Discount from 111.230.227.17 port 58819 ssh2
2019-10-08T06:07:51.0727191495-001 sshd\[60621\]: Invalid user P@SSWORD2019 from 111.230.227.17 port 54004
2019-10-08T06:07:51.0759831495-001 sshd\[60621\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.227.17
2019-10-08T06:07:52.9259881495-001 sshd\[60621\]: Failed password for invalid user P@SSWORD2019 from 111.230.227.17 port 54004 ssh2
2019-10-08T06:12:24.3326411495-001 sshd\[60996\]: Invalid user Webmaster@12 from 111.230.227.17 port 42980
2019-10-08T06:12:24.3356301495-001 sshd\[60996\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.227.17
...

Automatic report - Port Scan Attack

\[2019-10-08 05:57:20\] NOTICE\[1887\] chan_sip.c: Registration from '"440" \' failed for '77.247.109.72:6113' - Wrong password
\[2019-10-08 05:57:20\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-08T05:57:20.534-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="440",SessionID="0x7fc3ac7f7e28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.109.72/6113",Challenge="53b252ea",ReceivedChallenge="53b252ea",ReceivedHash="81f5bd27fde035df1e0f19afc4af2152"
\[2019-10-08 05:57:20\] NOTICE\[1887\] chan_sip.c: Registration from '"440" \' failed for '77.247.109.72:6113' - Wrong password
\[2019-10-08 05:57:20\] SECURITY\[1898\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-10-08T05:57:20.637-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="440",SessionID="0x7fc3ac636978",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.2

Oct  8 12:45:11 sauna sshd[17669]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.112.237.228
Oct  8 12:45:12 sauna sshd[17669]: Failed password for invalid user 123May from 202.112.237.228 port 54534 ssh2
...

Tried sshing with brute force.

Oct  5 22:18:12 our-server-hostname postfix/smtpd[14347]: connect from unknown[5.204.58.231]
Oct x@x
Oct  5 22:18:14 our-server-hostname postfix/smtpd[14347]: lost connection after RCPT from unknown[5.204.58.231]
Oct  5 22:18:14 our-server-hostname postfix/smtpd[14347]: disconnect from unknown[5.204.58.231]
Oct  6 00:23:16 our-server-hostname postfix/smtpd[14757]: connect from unknown[5.204.58.231]
Oct x@x
Oct  6 00:23:19 our-server-hostname postfix/smtpd[14757]: lost connection after RCPT from unknown[5.204.58.231]
Oct  6 00:23:19 our-server-hostname postfix/smtpd[14757]: disconnect from unknown[5.204.58.231]
Oct  6 03:11:45 our-server-hostname postfix/smtpd[29637]: connect from unknown[5.204.58.231]
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct x@x
Oct  6 03:16:53 our-server-hostname postfix/smtpd[29637]: servereout after RCPT from unknown[5.204.58.231]
Oct  6 03:16:53 our-server-hostname postfix/smtpd[2963........
-------------------------------

Fail2Ban Ban Triggered

WordPress login Brute force / Web App Attack on client site.

SSH/22 MH Probe, BF, Hack -

2019-10-08T04:02:08.518556shield sshd\[5644\]: Invalid user shinken from 103.249.100.22 port 36392
2019-10-08T04:02:08.522791shield sshd\[5644\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.249.100.22
2019-10-08T04:02:10.651012shield sshd\[5644\]: Failed password for invalid user shinken from 103.249.100.22 port 36392 ssh2
2019-10-08T04:02:35.639156shield sshd\[5664\]: Invalid user shinken from 103.249.100.22 port 45514
2019-10-08T04:02:35.643617shield sshd\[5664\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.249.100.22

Oct  8 10:19:34 vps691689 sshd[27820]: Failed password for root from 51.91.8.146 port 41870 ssh2
Oct  8 10:23:39 vps691689 sshd[27946]: Failed password for root from 51.91.8.146 port 53576 ssh2
...

leo_www

Oct  8 08:05:02 vmd17057 sshd\[29950\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.1.203  user=root
Oct  8 08:05:05 vmd17057 sshd\[29950\]: Failed password for root from 106.13.1.203 port 51852 ssh2
Oct  8 08:14:39 vmd17057 sshd\[30588\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.1.203  user=root
...

Oct  7 18:08:41 fv15 sshd[23181]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.199.24  user=r.r
Oct  7 18:08:42 fv15 sshd[23181]: Failed password for r.r from 106.12.199.24 port 59736 ssh2
Oct  7 18:08:43 fv15 sshd[23181]: Received disconnect from 106.12.199.24: 11: Bye Bye [preauth]
Oct  7 18:30:44 fv15 sshd[15898]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.199.24  user=r.r
Oct  7 18:30:46 fv15 sshd[15898]: Failed password for r.r from 106.12.199.24 port 51454 ssh2
Oct  7 18:30:46 fv15 sshd[15898]: Received disconnect from 106.12.199.24: 11: Bye Bye [preauth]
Oct  7 18:34:41 fv15 sshd[317]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.199.24  user=r.r
Oct  7 18:34:43 fv15 sshd[317]: Failed password for r.r from 106.12.199.24 port 52936 ssh2
Oct  7 18:34:44 fv15 sshd[317]: Received disconnect from 106.12.199.24: 11: Bye........
-------------------------------