Nov  4 19:32:00 web9 sshd\[10017\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143  user=root
Nov  4 19:32:03 web9 sshd\[10017\]: Failed password for root from 49.247.213.143 port 58644 ssh2
Nov  4 19:39:06 web9 sshd\[10951\]: Invalid user lsfadmin from 49.247.213.143
Nov  4 19:39:06 web9 sshd\[10951\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143
Nov  4 19:39:09 web9 sshd\[10951\]: Failed password for invalid user lsfadmin from 49.247.213.143 port 42042 ssh2

Oct 17 20:47:17 friendsofhawaii sshd\[11287\]: Invalid user dodsserver from 49.247.213.143
Oct 17 20:47:17 friendsofhawaii sshd\[11287\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143
Oct 17 20:47:19 friendsofhawaii sshd\[11287\]: Failed password for invalid user dodsserver from 49.247.213.143 port 42816 ssh2
Oct 17 20:54:17 friendsofhawaii sshd\[11895\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143  user=root
Oct 17 20:54:19 friendsofhawaii sshd\[11895\]: Failed password for root from 49.247.213.143 port 54190 ssh2

Oct 17 21:53:30 ns37 sshd[19132]: Failed password for root from 49.247.213.143 port 34160 ssh2
Oct 17 21:53:30 ns37 sshd[19132]: Failed password for root from 49.247.213.143 port 34160 ssh2

Aug 19 08:50:36 sachi sshd\[20447\]: Invalid user amar from 49.247.213.143
Aug 19 08:50:36 sachi sshd\[20447\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143
Aug 19 08:50:39 sachi sshd\[20447\]: Failed password for invalid user amar from 49.247.213.143 port 56596 ssh2
Aug 19 08:59:00 sachi sshd\[21323\]: Invalid user administracion from 49.247.213.143
Aug 19 08:59:00 sachi sshd\[21323\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143

Aug  9 19:28:18 root sshd[27922]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143 
Aug  9 19:28:20 root sshd[27922]: Failed password for invalid user test from 49.247.213.143 port 40408 ssh2
Aug  9 19:36:56 root sshd[28001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143 
...

Aug  9 00:40:57 mail sshd\[13391\]: Failed password for invalid user gloria from 49.247.213.143 port 37376 ssh2
Aug  9 00:58:17 mail sshd\[13565\]: Invalid user asdf from 49.247.213.143 port 53118
...

Aug  8 14:20:24 mail sshd\[5046\]: Failed password for invalid user sysbackup from 49.247.213.143 port 38480 ssh2
Aug  8 14:38:10 mail sshd\[5288\]: Invalid user ubuntu from 49.247.213.143 port 54328
...

Jul 31 03:15:31 MK-Soft-Root1 sshd\[31740\]: Invalid user facai from 49.247.213.143 port 32896
Jul 31 03:15:31 MK-Soft-Root1 sshd\[31740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143
Jul 31 03:15:33 MK-Soft-Root1 sshd\[31740\]: Failed password for invalid user facai from 49.247.213.143 port 32896 ssh2
...

ssh default account attempted login

Jul 22 15:17:33 MK-Soft-VM5 sshd\[30747\]: Invalid user asterisk from 49.247.213.143 port 56670
Jul 22 15:17:33 MK-Soft-VM5 sshd\[30747\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143
Jul 22 15:17:34 MK-Soft-VM5 sshd\[30747\]: Failed password for invalid user asterisk from 49.247.213.143 port 56670 ssh2
...

Jul 22 11:09:12 mail sshd\[1635\]: Failed password for invalid user kj from 49.247.213.143 port 37148 ssh2
Jul 22 11:26:25 mail sshd\[2026\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143  user=backup
...

Invalid user sysadmin from 49.247.213.143 port 45718

Jun 27 10:14:09 dev sshd\[21337\]: Invalid user oracle from 49.247.213.143 port 40468
Jun 27 10:14:09 dev sshd\[21337\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.143
...

Aug 22 12:24:05 *** sshd[21255]: Invalid user jef from 49.247.213.18

SSH authentication failure x 6 reported by Fail2Ban
...

Failed password for root from 49.247.213.18 port 42780 ssh2

2020-07-31T07:51:15.0282801495-001 sshd[43742]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.18  user=root
2020-07-31T07:51:17.1601541495-001 sshd[43742]: Failed password for root from 49.247.213.18 port 52719 ssh2
2020-07-31T07:53:19.2824481495-001 sshd[43821]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.18  user=root
2020-07-31T07:53:20.7717761495-001 sshd[43821]: Failed password for root from 49.247.213.18 port 40382 ssh2
2020-07-31T07:55:24.1811991495-001 sshd[43954]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.18  user=root
2020-07-31T07:55:25.8310711495-001 sshd[43954]: Failed password for root from 49.247.213.18 port 56251 ssh2
...

$f2bV_matches

Jul 19 11:30:50 vps687878 sshd\[29439\]: Failed password for invalid user vicent from 49.247.213.18 port 50208 ssh2
Jul 19 11:35:32 vps687878 sshd\[29886\]: Invalid user theo from 49.247.213.18 port 57998
Jul 19 11:35:32 vps687878 sshd\[29886\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.18
Jul 19 11:35:34 vps687878 sshd\[29886\]: Failed password for invalid user theo from 49.247.213.18 port 57998 ssh2
Jul 19 11:40:12 vps687878 sshd\[30457\]: Invalid user wisnu from 49.247.213.18 port 37560
Jul 19 11:40:12 vps687878 sshd\[30457\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.213.18
...

Tried sshing with brute force.

Feb 16 17:24:04 aragorn sshd[20738]: Invalid user admin from 49.247.213.36
Feb 16 17:24:04 aragorn sshd[20739]: Invalid user admin from 49.247.213.36
Feb 16 17:24:04 aragorn sshd[20741]: Invalid user admin from 49.247.213.36
Feb 16 17:24:04 aragorn sshd[20744]: Invalid user admin from 49.247.213.36
...

Dec 27 15:46:39 dcd-gentoo sshd[3941]: User sshd from 49.247.213.36 not allowed because none of user's groups are listed in AllowGroups
Dec 27 15:47:20 dcd-gentoo sshd[3977]: Invalid user sshtest from 49.247.213.36 port 59268
Dec 27 15:47:45 dcd-gentoo sshd[4010]: Invalid user sshuser from 49.247.213.36 port 33248
...

400 BAD REQUEST

ssh failed login

Oct 18 23:42:59 server sshd\[26277\]: Failed password for invalid user luat from 51.83.32.232 port 49366 ssh2
Oct 19 15:29:44 server sshd\[1016\]: Invalid user smith from 51.83.32.232
Oct 19 15:29:44 server sshd\[1016\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=232.ip-51-83-32.eu 
Oct 19 15:29:47 server sshd\[1016\]: Failed password for invalid user smith from 51.83.32.232 port 50110 ssh2
Oct 19 15:50:55 server sshd\[7506\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=232.ip-51-83-32.eu  user=root
...

2019-10-19T14:37:05.570963scmdmz1 sshd\[5953\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.247.156.168  user=root
2019-10-19T14:37:07.684496scmdmz1 sshd\[5953\]: Failed password for root from 43.247.156.168 port 41046 ssh2
2019-10-19T14:41:36.461711scmdmz1 sshd\[6291\]: Invalid user pi from 43.247.156.168 port 33989
...

Oct 19 08:57:31 xentho sshd[23096]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.147  user=root
Oct 19 08:57:32 xentho sshd[23096]: Failed password for root from 222.186.175.147 port 61472 ssh2
Oct 19 08:57:36 xentho sshd[23096]: Failed password for root from 222.186.175.147 port 61472 ssh2
Oct 19 08:57:31 xentho sshd[23096]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.147  user=root
Oct 19 08:57:32 xentho sshd[23096]: Failed password for root from 222.186.175.147 port 61472 ssh2
Oct 19 08:57:36 xentho sshd[23096]: Failed password for root from 222.186.175.147 port 61472 ssh2
Oct 19 08:57:31 xentho sshd[23096]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.147  user=root
Oct 19 08:57:32 xentho sshd[23096]: Failed password for root from 222.186.175.147 port 61472 ssh2
Oct 19 08:57:36 xentho sshd[23096]: Failed password for r
...

Oct 19 07:02:58 mailman postfix/smtpd[10781]: NOQUEUE: reject: RCPT from unknown[46.42.237.100]: 554 5.7.1 Service unavailable; Client host [46.42.237.100] blocked using sbl-xbl.spamhaus.org; https://www.spamhaus.org/query/ip/46.42.237.100; from= to= proto=ESMTP helo=<[46.42.237.100]>
Oct 19 07:05:12 mailman postfix/smtpd[10916]: NOQUEUE: reject: RCPT from unknown[46.42.237.100]: 554 5.7.1 Service unavailable; Client host [46.42.237.100] blocked using sbl-xbl.spamhaus.org; https://www.spamhaus.org/query/ip/46.42.237.100; from= to= proto=ESMTP helo=<[46.42.237.100]>

2019-10-19T12:35:24.555545abusebot-4.cloudsearch.cf sshd\[13943\]: Invalid user yangxiuzhen from 46.61.235.111 port 49742

Oct 19 01:56:49 kapalua sshd\[16814\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=v6rwik.artofmark.net  user=root
Oct 19 01:56:51 kapalua sshd\[16814\]: Failed password for root from 158.69.192.35 port 38142 ssh2
Oct 19 02:00:51 kapalua sshd\[17145\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=v6rwik.artofmark.net  user=root
Oct 19 02:00:53 kapalua sshd\[17145\]: Failed password for root from 158.69.192.35 port 48574 ssh2
Oct 19 02:04:52 kapalua sshd\[17493\]: Invalid user alm from 158.69.192.35

Oct 19 14:19:13 eventyay sshd[29935]: Failed password for root from 167.114.192.162 port 36550 ssh2
Oct 19 14:23:04 eventyay sshd[29977]: Failed password for root from 167.114.192.162 port 56170 ssh2
...

Oct 17 13:30:15 xb0 sshd[2127]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.196.178  user=r.r
Oct 17 13:30:17 xb0 sshd[2127]: Failed password for r.r from 217.182.196.178 port 60824 ssh2
Oct 17 13:30:17 xb0 sshd[2127]: Received disconnect from 217.182.196.178: 11: Bye Bye [preauth]
Oct 17 13:39:29 xb0 sshd[18915]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.196.178  user=r.r
Oct 17 13:39:31 xb0 sshd[18915]: Failed password for r.r from 217.182.196.178 port 60942 ssh2
Oct 17 13:39:31 xb0 sshd[18915]: Received disconnect from 217.182.196.178: 11: Bye Bye [preauth]
Oct 17 13:43:05 xb0 sshd[17109]: Failed password for invalid user virusalert from 217.182.196.178 port 45104 ssh2
Oct 17 13:43:05 xb0 sshd[17109]: Received disconnect from 217.182.196.178: 11: Bye Bye [preauth]
Oct 17 13:46:36 xb0 sshd[14183]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 ........
-------------------------------

404 NOT FOUND

2019-10-19T12:34:53.928294abusebot-3.cloudsearch.cf sshd\[13460\]: Invalid user famed from 200.11.240.237 port 60654

Oct 19 14:04:18 rotator sshd\[11397\]: Failed password for root from 149.56.44.47 port 48404 ssh2Oct 19 14:04:21 rotator sshd\[11397\]: Failed password for root from 149.56.44.47 port 48404 ssh2Oct 19 14:04:24 rotator sshd\[11397\]: Failed password for root from 149.56.44.47 port 48404 ssh2Oct 19 14:04:27 rotator sshd\[11397\]: Failed password for root from 149.56.44.47 port 48404 ssh2Oct 19 14:04:30 rotator sshd\[11397\]: Failed password for root from 149.56.44.47 port 48404 ssh2Oct 19 14:04:33 rotator sshd\[11397\]: Failed password for root from 149.56.44.47 port 48404 ssh2
...

Oct 19 14:04:47 sso sshd[20404]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.231.204.127
Oct 19 14:04:49 sso sshd[20404]: Failed password for invalid user tuna from 111.231.204.127 port 43392 ssh2
...

Oct 19 08:04:12 web1 postfix/smtpd[3618]: warning: unknown[185.234.218.68]: SASL LOGIN authentication failed: authentication failure
...