Trying ports that it shouldn't be.

\[2019-11-15 02:36:12\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-15T02:36:12.424-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0540048422069025",SessionID="0x7fdf2c003608",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.7/65282",ACLName="no_extension_match"
\[2019-11-15 02:38:58\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-15T02:38:58.764-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0560048422069025",SessionID="0x7fdf2c5f6d28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.7/56992",ACLName="no_extension_match"
\[2019-11-15 02:41:51\] SECURITY\[2634\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-11-15T02:41:51.568-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="0570048422069025",SessionID="0x7fdf2c5fd9f8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.7/50017",ACLName="no_ext

VoIP Brute Force - 212.83.170.21 - Auto Report
...

\[2019-08-30 01:47:52\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2959' - Wrong password
\[2019-08-30 01:47:52\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-30T01:47:52.442-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="4461",SessionID="0x7f7b30015728",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/49939",Challenge="0ffd188c",ReceivedChallenge="0ffd188c",ReceivedHash="d8b5c564694403a22fc491151bb84e3a"
\[2019-08-30 01:49:37\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2951' - Wrong password
\[2019-08-30 01:49:37\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-30T01:49:37.589-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="465",SessionID="0x7f7b30d66ff8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21

\[2019-08-29 17:14:58\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2902' - Wrong password
\[2019-08-29 17:14:58\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T17:14:58.042-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="5313",SessionID="0x7f7b30db7498",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/59171",Challenge="3c3bb786",ReceivedChallenge="3c3bb786",ReceivedHash="2a9429986f27f4cfda37f0a70735aaa0"
\[2019-08-29 17:16:39\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2968' - Wrong password
\[2019-08-29 17:16:39\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T17:16:39.949-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="6483",SessionID="0x7f7b30462f68",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.

\[2019-08-29 06:23:27\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2942' - Wrong password
\[2019-08-29 06:23:27\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T06:23:27.668-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9552",SessionID="0x7f7b3025d4e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/63491",Challenge="6a1c0424",ReceivedChallenge="6a1c0424",ReceivedHash="70e5134ab7863db95b2a86a1a0720d80"
\[2019-08-29 06:25:12\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2975' - Wrong password
\[2019-08-29 06:25:12\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T06:25:12.553-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="9192",SessionID="0x7f7b3109e318",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.

\[2019-08-29 04:37:17\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2819' - Wrong password
\[2019-08-29 04:37:17\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T04:37:17.610-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1626",SessionID="0x7f7b30db7498",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.21/64403",Challenge="56de52eb",ReceivedChallenge="56de52eb",ReceivedHash="2ead7c5955e6281d101040754d11cb18"
\[2019-08-29 04:39:01\] NOTICE\[1829\] chan_sip.c: Registration from '\' failed for '212.83.170.21:2969' - Wrong password
\[2019-08-29 04:39:01\] SECURITY\[1837\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-08-29T04:39:01.888-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="2141",SessionID="0x7f7b30be0af8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.

\[2019-07-11 10:05:07\] NOTICE\[13443\] chan_sip.c: Registration from '"190"\' failed for '212.83.170.35:8408' - Wrong password
\[2019-07-11 10:05:07\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T10:05:07.631-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="190",SessionID="0x7f02f9572cd8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.35/8408",Challenge="50d8a82a",ReceivedChallenge="50d8a82a",ReceivedHash="5a19f8cab3eed85f81518d564af6c610"
\[2019-07-11 10:05:25\] NOTICE\[13443\] chan_sip.c: Registration from '"190"\' failed for '212.83.170.35:8431' - Wrong password
\[2019-07-11 10:05:25\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T10:05:25.975-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="190",SessionID="0x7f02f8994028",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/21

\[2019-07-11 06:20:32\] NOTICE\[13443\] chan_sip.c: Registration from '"177"\' failed for '212.83.170.35:7354' - Wrong password
\[2019-07-11 06:20:32\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T06:20:32.101-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="177",SessionID="0x7f02f8994028",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.35/7354",Challenge="54d8d9ec",ReceivedChallenge="54d8d9ec",ReceivedHash="1e004c4a0436331483e0197cb8a4844f"
\[2019-07-11 06:22:46\] NOTICE\[13443\] chan_sip.c: Registration from '"176"\' failed for '212.83.170.35:7277' - Wrong password
\[2019-07-11 06:22:46\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-11T06:22:46.638-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="176",SessionID="0x7f02f8dab428",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/21

\[2019-07-09 21:14:14\] NOTICE\[13443\] chan_sip.c: Registration from '"106"\' failed for '212.83.170.35:6597' - Wrong password
\[2019-07-09 21:14:14\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-09T21:14:14.532-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="106",SessionID="0x7f02f8dab428",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/212.83.170.35/6597",Challenge="7c01e3cf",ReceivedChallenge="7c01e3cf",ReceivedHash="d0e209dc792d965b65610853db7b7457"
\[2019-07-09 21:21:05\] NOTICE\[13443\] chan_sip.c: Registration from '"108"\' failed for '212.83.170.35:6780' - Wrong password
\[2019-07-09 21:21:05\] SECURITY\[13451\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-09T21:21:05.719-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="108",SessionID="0x7f02f8f2dd48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/21

Feb  4 00:07:42 l02a sshd[31836]: Invalid user gx from 178.128.52.32
Feb  4 00:07:42 l02a sshd[31836]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.52.32 
Feb  4 00:07:42 l02a sshd[31836]: Invalid user gx from 178.128.52.32
Feb  4 00:07:44 l02a sshd[31836]: Failed password for invalid user gx from 178.128.52.32 port 48714 ssh2

Unauthorized connection attempt detected from IP address 188.166.226.209 to port 2220 [J]

Feb  3 19:02:00 NPSTNNYC01T sshd[27430]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.248.242.234
Feb  3 19:02:01 NPSTNNYC01T sshd[27430]: Failed password for invalid user ted from 193.248.242.234 port 42765 ssh2
Feb  3 19:07:45 NPSTNNYC01T sshd[27785]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.248.242.234
...

Unauthorized connection attempt detected from IP address 177.152.155.186 to port 80 [J]

2020-02-03T19:20:53.776049vostok sshd\[20338\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.35  user=root | Triggered by Fail2Ban at Vostok web server

Feb  4 01:00:31 srv-ubuntu-dev3 sshd[62114]: Invalid user 221 from 111.231.66.74
Feb  4 01:00:31 srv-ubuntu-dev3 sshd[62114]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.66.74
Feb  4 01:00:31 srv-ubuntu-dev3 sshd[62114]: Invalid user 221 from 111.231.66.74
Feb  4 01:00:33 srv-ubuntu-dev3 sshd[62114]: Failed password for invalid user 221 from 111.231.66.74 port 41070 ssh2
Feb  4 01:03:59 srv-ubuntu-dev3 sshd[62389]: Invalid user 213 from 111.231.66.74
Feb  4 01:03:59 srv-ubuntu-dev3 sshd[62389]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.66.74
Feb  4 01:03:59 srv-ubuntu-dev3 sshd[62389]: Invalid user 213 from 111.231.66.74
Feb  4 01:04:01 srv-ubuntu-dev3 sshd[62389]: Failed password for invalid user 213 from 111.231.66.74 port 38948 ssh2
Feb  4 01:07:25 srv-ubuntu-dev3 sshd[62730]: Invalid user vk from 111.231.66.74
...

Feb  4 01:05:42 v22019058497090703 sshd[14510]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=162.247.74.206
Feb  4 01:05:43 v22019058497090703 sshd[14510]: Failed password for invalid user admin from 162.247.74.206 port 44720 ssh2
...

Feb  4 01:07:23 vps647732 sshd[12101]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.61.37.231
Feb  4 01:07:26 vps647732 sshd[12101]: Failed password for invalid user louis from 103.61.37.231 port 53088 ssh2
...

RDP brute force attack detected by fail2ban

Feb  4 01:20:35 MK-Soft-Root2 sshd[25289]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.251.197.238 
Feb  4 01:20:38 MK-Soft-Root2 sshd[25289]: Failed password for invalid user brianne from 101.251.197.238 port 54366 ssh2
...

Unauthorized connection attempt detected from IP address 175.139.152.107 to port 81 [J]

Automatic report - Banned IP Access

SSH login attempts

Unauthorized connection attempt detected from IP address 125.141.56.229 to port 2220 [J]

Unauthorized connection attempt detected from IP address 88.146.219.245 to port 2220 [J]