2020-05-29T05:41:59.241387shield sshd\[8994\]: Invalid user xghwzp from 115.159.115.17 port 53780
2020-05-29T05:41:59.245134shield sshd\[8994\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.115.17
2020-05-29T05:42:01.519752shield sshd\[8994\]: Failed password for invalid user xghwzp from 115.159.115.17 port 53780 ssh2
2020-05-29T05:46:10.041477shield sshd\[9748\]: Invalid user admin from 115.159.115.17 port 51576
2020-05-29T05:46:10.044880shield sshd\[9748\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.115.17

Unauthorized connection attempt
IP: 192.119.68.115
Ports affected
    Message Submission (587) 
Abuse Confidence rating 58%
Found in DNSBL('s)
ASN Details
   AS54290 HOSTWINDS
   United States (US)
   CIDR 192.119.64.0/18
Log Date: 29/05/2020 5:37:31 AM UTC

ET CINS Active Threat Intelligence Poor Reputation IP group 98 - port: 2353 proto: TCP cat: Misc Attack

Invalid user securityagent from 117.131.60.38 port 19800

May 29 08:38:51 ovpn sshd\[3884\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.69.116  user=root
May 29 08:38:53 ovpn sshd\[3884\]: Failed password for root from 122.51.69.116 port 60490 ssh2
May 29 08:58:45 ovpn sshd\[8770\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.69.116  user=root
May 29 08:58:46 ovpn sshd\[8770\]: Failed password for root from 122.51.69.116 port 53040 ssh2
May 29 09:01:43 ovpn sshd\[9518\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.69.116  user=root

Dovecot Invalid User Login Attempt.

port 23

May 27 05:18:36 h2034429 sshd[13412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.21.144.92  user=r.r
May 27 05:18:38 h2034429 sshd[13412]: Failed password for r.r from 94.21.144.92 port 38732 ssh2
May 27 05:18:38 h2034429 sshd[13412]: Received disconnect from 94.21.144.92 port 38732:11: Bye Bye [preauth]
May 27 05:18:38 h2034429 sshd[13412]: Disconnected from 94.21.144.92 port 38732 [preauth]
May 27 05:22:14 h2034429 sshd[13436]: Invalid user printer from 94.21.144.92
May 27 05:22:14 h2034429 sshd[13436]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.21.144.92
May 27 05:22:15 h2034429 sshd[13436]: Failed password for invalid user printer from 94.21.144.92 port 42551 ssh2
May 27 05:22:15 h2034429 sshd[13436]: Received disconnect from 94.21.144.92 port 42551:11: Bye Bye [preauth]
May 27 05:22:15 h2034429 sshd[13436]: Disconnected from 94.21.144.92 port 42551 [preauth]


........
-----------------------------------------

May 29 07:39:52 odroid64 sshd\[9708\]: User root from 218.52.61.227 not allowed because not listed in AllowUsers
May 29 07:39:52 odroid64 sshd\[9708\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.52.61.227  user=root
...

(imapd) Failed IMAP login from 183.89.237.31 (TH/Thailand/mx-ll-183.89.237-31.dynamic.3bb.co.th): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: May 29 11:52:55 ir1 dovecot[2885757]: imap-login: Disconnected (auth failed, 1 attempts in 7 secs): user=, method=PLAIN, rip=183.89.237.31, lip=5.63.12.44, session=

...

Invalid user zeenat from 72.167.224.135 port 33968

May 29 08:15:05 cdc sshd[25820]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.75.124.215 
May 29 08:15:07 cdc sshd[25820]: Failed password for invalid user ya from 51.75.124.215 port 46760 ssh2

(DE/Germany/-) SMTP Bruteforcing attempts

Port scan denied