2020-05-02T16:22:02.033138vps751288.ovh.net sshd\[26100\]: Invalid user deploy from 180.231.11.182 port 34776
2020-05-02T16:22:02.041593vps751288.ovh.net sshd\[26100\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.231.11.182
2020-05-02T16:22:04.467965vps751288.ovh.net sshd\[26100\]: Failed password for invalid user deploy from 180.231.11.182 port 34776 ssh2
2020-05-02T16:27:11.688193vps751288.ovh.net sshd\[26146\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.231.11.182  user=root
2020-05-02T16:27:13.868645vps751288.ovh.net sshd\[26146\]: Failed password for root from 180.231.11.182 port 34524 ssh2

2888/tcp 1988/tcp 3394/tcp...
[2020-04-04/05-02]40pkt,18pt.(tcp)

SSH login attempts.

port scan and connect, tcp 23 (telnet)

Lines containing failures of 14.115.28.209
May  2 07:11:47 kmh-vmh-001-fsn05 sshd[6715]: Invalid user danish from 14.115.28.209 port 52814
May  2 07:11:47 kmh-vmh-001-fsn05 sshd[6715]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.115.28.209 
May  2 07:11:49 kmh-vmh-001-fsn05 sshd[6715]: Failed password for invalid user danish from 14.115.28.209 port 52814 ssh2
May  2 07:11:49 kmh-vmh-001-fsn05 sshd[6715]: Received disconnect from 14.115.28.209 port 52814:11: Bye Bye [preauth]
May  2 07:11:49 kmh-vmh-001-fsn05 sshd[6715]: Disconnected from invalid user danish 14.115.28.209 port 52814 [preauth]
May  2 07:24:53 kmh-vmh-001-fsn05 sshd[9009]: Invalid user miner from 14.115.28.209 port 47736
May  2 07:24:53 kmh-vmh-001-fsn05 sshd[9009]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.115.28.209 
May  2 07:24:55 kmh-vmh-001-fsn05 sshd[9009]: Failed password for invalid user miner from 14.11........
------------------------------

May  2 13:56:56 ns382633 sshd\[32021\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.129.191.142  user=root
May  2 13:56:57 ns382633 sshd\[32021\]: Failed password for root from 177.129.191.142 port 40533 ssh2
May  2 14:10:07 ns382633 sshd\[2106\]: Invalid user script from 177.129.191.142 port 40959
May  2 14:10:07 ns382633 sshd\[2106\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.129.191.142
May  2 14:10:09 ns382633 sshd\[2106\]: Failed password for invalid user script from 177.129.191.142 port 40959 ssh2

Fail2Ban Ban Triggered

(imapd) Failed IMAP login from 103.89.168.196 (IN/India/196.168.89.103.dynamic.dreamlink.in): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: May  2 18:38:37 ir1 dovecot[264309]: imap-login: Disconnected (auth failed, 1 attempts in 12 secs): user=, method=PLAIN, rip=103.89.168.196, lip=5.63.12.44, session=

May  2 22:10:28 localhost sshd[1281579]: Invalid user pedro from 51.83.70.93 port 50862
...

05/02/2020-11:38:36.850702 94.102.56.181 Protocol: 6 ET SCAN NMAP -sS window 1024

May  2 14:09:47 ArkNodeAT sshd\[17607\]: Invalid user ubuntu from 45.119.212.125
May  2 14:09:47 ArkNodeAT sshd\[17607\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.119.212.125
May  2 14:09:49 ArkNodeAT sshd\[17607\]: Failed password for invalid user ubuntu from 45.119.212.125 port 50226 ssh2

[2020-05-02 13:12:49] NOTICE[1170][C-00009974] chan_sip.c: Call from '' (103.145.12.87:62492) to extension '9011441482455983' rejected because extension not found in context 'public'.
[2020-05-02 13:12:49] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-02T13:12:49.157-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011441482455983",SessionID="0x7f6c080f1c28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.145.12.87/62492",ACLName="no_extension_match"
[2020-05-02 13:12:53] NOTICE[1170][C-00009975] chan_sip.c: Call from '' (103.145.12.87:59926) to extension '901146812400368' rejected because extension not found in context 'public'.
[2020-05-02 13:12:53] SECURITY[1184] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-02T13:12:53.057-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="901146812400368",SessionID="0x7f6c08485348",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UD
...

firewall-block, port(s): 23/tcp

SSH login attempts.

3x Failed Password