Dec 22 13:11:28 dcd-gentoo sshd[5893]: User root from 222.186.175.163 not allowed because none of user's groups are listed in AllowGroups
Dec 22 13:11:31 dcd-gentoo sshd[5893]: error: PAM: Authentication failure for illegal user root from 222.186.175.163
Dec 22 13:11:28 dcd-gentoo sshd[5893]: User root from 222.186.175.163 not allowed because none of user's groups are listed in AllowGroups
Dec 22 13:11:31 dcd-gentoo sshd[5893]: error: PAM: Authentication failure for illegal user root from 222.186.175.163
Dec 22 13:11:28 dcd-gentoo sshd[5893]: User root from 222.186.175.163 not allowed because none of user's groups are listed in AllowGroups
Dec 22 13:11:31 dcd-gentoo sshd[5893]: error: PAM: Authentication failure for illegal user root from 222.186.175.163
Dec 22 13:11:31 dcd-gentoo sshd[5893]: Failed keyboard-interactive/pam for invalid user root from 222.186.175.163 port 39376 ssh2
...

Scanning

Dec 22 12:14:13 ns3042688 sshd\[12347\]: Invalid user guest from 191.17.9.236
Dec 22 12:14:13 ns3042688 sshd\[12347\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.17.9.236 
Dec 22 12:14:15 ns3042688 sshd\[12347\]: Failed password for invalid user guest from 191.17.9.236 port 37650 ssh2
Dec 22 12:22:59 ns3042688 sshd\[16579\]: Invalid user zip from 191.17.9.236
Dec 22 12:22:59 ns3042688 sshd\[16579\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.17.9.236 
...

12/22/2019-01:25:04.841883 69.45.19.242 Protocol: 17 ET SCAN Sipvicious User-Agent Detected (friendly-scanner)

Unauthorized connection attempt detected from IP address 183.16.102.30 to port 4899

Dec 22 07:05:59 icinga sshd[33456]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.76.197.114 
Dec 22 07:06:01 icinga sshd[33456]: Failed password for invalid user w from 219.76.197.114 port 58540 ssh2
Dec 22 07:25:15 icinga sshd[51277]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.76.197.114 
...

Dec 22 12:57:30 mail sshd[23810]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.175  user=root
Dec 22 12:57:33 mail sshd[23810]: Failed password for root from 218.92.0.175 port 52381 ssh2
...

/var/log/messages:Dec 20 01:19:29 sanyalnet-cloud-vps audispd: node=sanyalnet-cloud-vps.freeddns.org type=CRYPTO_SESSION msg=audhostname(1576804769.282:52050): pid=4231 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=4232 suid=74 rport=46580 laddr=104.167.106.93 lport=22  exe="/usr/sbin/sshd" hostname=? addr=40.89.176.60 terminal=? res=success'
/var/log/messages:Dec 20 01:19:29 sanyalnet-cloud-vps audispd: node=sanyalnet-cloud-vps.freeddns.org type=CRYPTO_SESSION msg=audhostname(1576804769.285:52051): pid=4231 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=4232 suid=74 rport=46580 laddr=104.167.106.93 lport=22  exe="/usr/sbin/sshd" hostname=? addr=40.89.176.60 terminal=? res=success'
/var/log/messages:Dec 20 01:19:29 sanyalnet-cloud-vps fail2ban.filter[1551]: INFO [sshd] Found 40.89........
-------------------------------

Dec 22 12:26:52 markkoudstaal sshd[9853]: Failed password for root from 222.233.53.132 port 52988 ssh2
Dec 22 12:34:37 markkoudstaal sshd[10547]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.233.53.132
Dec 22 12:34:39 markkoudstaal sshd[10547]: Failed password for invalid user adm from 222.233.53.132 port 59668 ssh2

2019-12-22T11:22:03.243901abusebot-8.cloudsearch.cf sshd[16028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.55  user=root
2019-12-22T11:22:05.082205abusebot-8.cloudsearch.cf sshd[16028]: Failed password for root from 49.88.112.55 port 27474 ssh2
2019-12-22T11:22:08.688422abusebot-8.cloudsearch.cf sshd[16028]: Failed password for root from 49.88.112.55 port 27474 ssh2
2019-12-22T11:22:03.243901abusebot-8.cloudsearch.cf sshd[16028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.55  user=root
2019-12-22T11:22:05.082205abusebot-8.cloudsearch.cf sshd[16028]: Failed password for root from 49.88.112.55 port 27474 ssh2
2019-12-22T11:22:08.688422abusebot-8.cloudsearch.cf sshd[16028]: Failed password for root from 49.88.112.55 port 27474 ssh2
2019-12-22T11:22:03.243901abusebot-8.cloudsearch.cf sshd[16028]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rho
...

Dec 21 20:56:56 server sshd\[19279\]: Invalid user nasser from 139.170.150.254
Dec 21 20:56:56 server sshd\[19279\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.170.150.254 
Dec 21 20:56:58 server sshd\[19279\]: Failed password for invalid user nasser from 139.170.150.254 port 49916 ssh2
Dec 22 09:25:01 server sshd\[28072\]: Invalid user httpd from 139.170.150.254
Dec 22 09:25:01 server sshd\[28072\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.170.150.254 
...

Dec 22 16:42:52 gw1 sshd[21413]: Failed password for root from 81.4.123.26 port 55506 ssh2
...

Dec 21 20:58:40 tdfoods sshd\[20277\]: Invalid user test112 from 14.215.165.131
Dec 21 20:58:40 tdfoods sshd\[20277\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.215.165.131
Dec 21 20:58:42 tdfoods sshd\[20277\]: Failed password for invalid user test112 from 14.215.165.131 port 37650 ssh2
Dec 21 21:04:22 tdfoods sshd\[20796\]: Invalid user foo from 14.215.165.131
Dec 21 21:04:22 tdfoods sshd\[20796\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.215.165.131

" "

Dec 22 08:05:13  exim[3104]: [1\41] 1iivIb-0000o4-3K H=(tmdpa.com) [185.34.17.54] F= rejected after DATA: This message scored 16.9 spam points.