Nov 23 07:26:59 smtp postfix/smtpd[65485]: NOQUEUE: reject: RCPT from heavy.yojaana.com[45.56.162.166]: 554 5.7.1 Service unavailable; Client host [45.56.162.166] blocked using zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=
...

Nov 22 22:43:42 sachi sshd\[29217\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.87  user=root
Nov 22 22:43:44 sachi sshd\[29217\]: Failed password for root from 112.85.42.87 port 55250 ssh2
Nov 22 22:44:24 sachi sshd\[29260\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.87  user=root
Nov 22 22:44:26 sachi sshd\[29260\]: Failed password for root from 112.85.42.87 port 41401 ssh2
Nov 22 22:45:05 sachi sshd\[29310\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.87  user=root

Nov 23 09:31:34 pornomens sshd\[29533\]: Invalid user westerdale from 202.83.17.223 port 33692
Nov 23 09:31:34 pornomens sshd\[29533\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.83.17.223
Nov 23 09:31:36 pornomens sshd\[29533\]: Failed password for invalid user westerdale from 202.83.17.223 port 33692 ssh2
...

/var/log/messages:Nov 21 06:01:33 sanyalnet-cloud-vps audispd: node=sanyalnet-cloud-vps.freeddns.org type=CRYPTO_SESSION msg=audhostname(1574316093.818:233381): pid=23385 uid=0 auid=4294967295 ses=4294967295 msg='op=start direction=from-server cipher=aes256-ctr ksize=256 mac=hmac-sha1 pfs=ecdh-sha2-nistp256 spid=23386 suid=74 rport=42584 laddr=104.167.106.93 lport=22  exe="/usr/sbin/sshd" hostname=? addr=134.209.50.169 terminal=? res=success'
/var/log/messages:Nov 21 06:01:33 sanyalnet-cloud-vps audispd: node=sanyalnet-cloud-vps.freeddns.org type=CRYPTO_SESSION msg=audhostname(1574316093.820:233382): pid=23385 uid=0 auid=4294967295 ses=4294967295 msg='op=start direction=from-client cipher=aes256-ctr ksize=256 mac=hmac-sha1 pfs=ecdh-sha2-nistp256 spid=23386 suid=74 rport=42584 laddr=104.167.106.93 lport=22  exe="/usr/sbin/sshd" hostname=? addr=134.209.50.169 terminal=? res=success'
/var/log/messages:Nov 21 06:01:34 sanyalnet-cloud-vps fail2ban.filter[1538]: INFO [sshd] F........
-------------------------------

Automatic report - Port Scan Attack

Nov 23 07:20:17 DAAP sshd[32326]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.103.7  user=root
Nov 23 07:20:19 DAAP sshd[32326]: Failed password for root from 62.234.103.7 port 34330 ssh2
Nov 23 07:26:59 DAAP sshd[32391]: Invalid user larrazabal from 62.234.103.7 port 49250
Nov 23 07:26:59 DAAP sshd[32391]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.234.103.7
Nov 23 07:26:59 DAAP sshd[32391]: Invalid user larrazabal from 62.234.103.7 port 49250
Nov 23 07:27:01 DAAP sshd[32391]: Failed password for invalid user larrazabal from 62.234.103.7 port 49250 ssh2
...

Nov 19 23:57:40 shadeyouvpn sshd[24822]: Invalid user issei from 104.131.82.112
Nov 19 23:57:40 shadeyouvpn sshd[24822]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.82.112 
Nov 19 23:57:42 shadeyouvpn sshd[24822]: Failed password for invalid user issei from 104.131.82.112 port 51083 ssh2
Nov 19 23:57:42 shadeyouvpn sshd[24822]: Received disconnect from 104.131.82.112: 11: Bye Bye [preauth]
Nov 20 00:06:04 shadeyouvpn sshd[29587]: Invalid user test from 104.131.82.112
Nov 20 00:06:04 shadeyouvpn sshd[29587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.82.112 
Nov 20 00:06:05 shadeyouvpn sshd[29587]: Failed password for invalid user test from 104.131.82.112 port 56558 ssh2
Nov 20 00:06:06 shadeyouvpn sshd[29587]: Received disconnect from 104.131.82.112: 11: Bye Bye [preauth]
Nov 20 00:10:58 shadeyouvpn sshd[32622]: pam_unix(sshd:auth): authentication failure; logname= u........
-------------------------------

Nov 23 10:06:23 mail sshd[22559]: Failed password for root from 222.186.173.180 port 59240 ssh2
Nov 23 10:06:26 mail sshd[22559]: Failed password for root from 222.186.173.180 port 59240 ssh2
Nov 23 10:06:30 mail sshd[22559]: Failed password for root from 222.186.173.180 port 59240 ssh2
Nov 23 10:06:36 mail sshd[22559]: Failed password for root from 222.186.173.180 port 59240 ssh2

Automatic report - Port Scan

$f2bV_matches

2019-11-23T06:27:35.952045abusebot-4.cloudsearch.cf sshd\[7475\]: Invalid user admin from 188.165.232.211 port 45813

Lines containing failures of 176.10.250.50
Nov 20 21:54:08 dns01 sshd[19784]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.10.250.50  user=r.r
Nov 20 21:54:11 dns01 sshd[19784]: Failed password for r.r from 176.10.250.50 port 44894 ssh2
Nov 20 21:54:11 dns01 sshd[19784]: Received disconnect from 176.10.250.50 port 44894:11: Bye Bye [preauth]
Nov 20 21:54:11 dns01 sshd[19784]: Disconnected from authenticating user r.r 176.10.250.50 port 44894 [preauth]
Nov 20 22:17:05 dns01 sshd[24403]: Invalid user zulmarie from 176.10.250.50 port 49692
Nov 20 22:17:05 dns01 sshd[24403]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.10.250.50
Nov 20 22:17:07 dns01 sshd[24403]: Failed password for invalid user zulmarie from 176.10.250.50 port 49692 ssh2
Nov 20 22:17:07 dns01 sshd[24403]: Received disconnect from 176.10.250.50 port 49692:11: Bye Bye [preauth]
Nov 20 22:17:07 dns01 sshd[24403]: Disc........
------------------------------

ET DROP Dshield Block Listed Source group 1 - port: 389 proto: TCP cat: Misc Attack

Nov 23 09:50:19 vmanager6029 sshd\[10263\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.173.154  user=root
Nov 23 09:50:21 vmanager6029 sshd\[10263\]: Failed password for root from 222.186.173.154 port 43260 ssh2
Nov 23 09:50:24 vmanager6029 sshd\[10263\]: Failed password for root from 222.186.173.154 port 43260 ssh2

Automatic report - Port Scan Attack