Dec  8 17:21:02 IngegnereFirenze sshd[21524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.115.235  user=root
Dec  8 17:21:02 IngegnereFirenze sshd[21524]: User root from 51.68.115.235 not allowed because not listed in AllowUsers
Dec  8 17:21:04 IngegnereFirenze sshd[21524]: Failed password for invalid user root from 51.68.115.235 port 39223 ssh2
...

$f2bV_matches

Dec  8 18:16:49 cvbnet sshd[339]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.224.199.93 
Dec  8 18:16:50 cvbnet sshd[339]: Failed password for invalid user sarter from 159.224.199.93 port 54428 ssh2
...

Unauthorized connection attempt detected from IP address 105.247.5.148 to port 445

Dec  8 05:56:40 web9 sshd\[19544\]: Invalid user rakhmanoff from 178.128.213.126
Dec  8 05:56:40 web9 sshd\[19544\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.213.126
Dec  8 05:56:42 web9 sshd\[19544\]: Failed password for invalid user rakhmanoff from 178.128.213.126 port 33338 ssh2
Dec  8 06:03:16 web9 sshd\[20642\]: Invalid user kroot from 178.128.213.126
Dec  8 06:03:16 web9 sshd\[20642\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.128.213.126

Dec  8 12:59:23 linuxvps sshd\[7008\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.221.252.46  user=root
Dec  8 12:59:26 linuxvps sshd\[7008\]: Failed password for root from 103.221.252.46 port 53540 ssh2
Dec  8 13:06:52 linuxvps sshd\[12152\]: Invalid user gunhild from 103.221.252.46
Dec  8 13:06:52 linuxvps sshd\[12152\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.221.252.46
Dec  8 13:06:55 linuxvps sshd\[12152\]: Failed password for invalid user gunhild from 103.221.252.46 port 34556 ssh2

Dec  8 08:12:53 web9 sshd\[8592\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.6.144.238  user=root
Dec  8 08:12:55 web9 sshd\[8592\]: Failed password for root from 103.6.144.238 port 42608 ssh2
Dec  8 08:20:04 web9 sshd\[9789\]: Invalid user urata from 103.6.144.238
Dec  8 08:20:04 web9 sshd\[9789\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.6.144.238
Dec  8 08:20:05 web9 sshd\[9789\]: Failed password for invalid user urata from 103.6.144.238 port 52560 ssh2

Dec  8 17:26:14 zeus sshd[21961]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.197.54 
Dec  8 17:26:16 zeus sshd[21961]: Failed password for invalid user sasuke from 119.29.197.54 port 54572 ssh2
Dec  8 17:33:18 zeus sshd[22164]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.197.54 
Dec  8 17:33:20 zeus sshd[22164]: Failed password for invalid user guest from 119.29.197.54 port 52882 ssh2

Dec  8 06:59:36 hanapaa sshd\[4655\]: Invalid user aaser from 139.199.164.132
Dec  8 06:59:36 hanapaa sshd\[4655\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.164.132
Dec  8 06:59:38 hanapaa sshd\[4655\]: Failed password for invalid user aaser from 139.199.164.132 port 41992 ssh2
Dec  8 07:08:32 hanapaa sshd\[5543\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.164.132  user=mysql
Dec  8 07:08:34 hanapaa sshd\[5543\]: Failed password for mysql from 139.199.164.132 port 43964 ssh2

Dec  8 15:54:16 grey postfix/smtpd\[25993\]: NOQUEUE: reject: RCPT from unknown\[49.88.67.232\]: 554 5.7.1 Service unavailable\; Client host \[49.88.67.232\] blocked using cbl.abuseat.org\; Blocked - see http://www.abuseat.org/lookup.cgi\?ip=49.88.67.232\; from=\ to=\ proto=ESMTP helo=\
...

2019-12-08T14:54:33.698221abusebot-4.cloudsearch.cf sshd\[15064\]: Invalid user ssh from 156.234.192.2 port 52779

Port scan: Attack repeated for 24 hours

Dec  8 17:38:21 game-panel sshd[32427]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.53.69.6
Dec  8 17:38:23 game-panel sshd[32427]: Failed password for invalid user guest from 92.53.69.6 port 41764 ssh2
Dec  8 17:44:48 game-panel sshd[304]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.53.69.6

Dec  8 18:41:58 vps58358 sshd\[1482\]: Invalid user vcsa from 46.101.11.213Dec  8 18:42:00 vps58358 sshd\[1482\]: Failed password for invalid user vcsa from 46.101.11.213 port 50832 ssh2Dec  8 18:47:02 vps58358 sshd\[1551\]: Invalid user mgatica from 46.101.11.213Dec  8 18:47:04 vps58358 sshd\[1551\]: Failed password for invalid user mgatica from 46.101.11.213 port 60092 ssh2Dec  8 18:51:56 vps58358 sshd\[1600\]: Invalid user ftpuser from 46.101.11.213Dec  8 18:51:58 vps58358 sshd\[1600\]: Failed password for invalid user ftpuser from 46.101.11.213 port 41074 ssh2
...

Dec  8 07:09:13 home sshd[1000]: Invalid user admin from 159.65.4.64 port 33574
Dec  8 07:09:13 home sshd[1000]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.4.64
Dec  8 07:09:13 home sshd[1000]: Invalid user admin from 159.65.4.64 port 33574
Dec  8 07:09:15 home sshd[1000]: Failed password for invalid user admin from 159.65.4.64 port 33574 ssh2
Dec  8 07:33:45 home sshd[1332]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.4.64  user=lp
Dec  8 07:33:47 home sshd[1332]: Failed password for lp from 159.65.4.64 port 55908 ssh2
Dec  8 07:39:59 home sshd[1462]: Invalid user producao from 159.65.4.64 port 33170
Dec  8 07:39:59 home sshd[1462]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.4.64
Dec  8 07:39:59 home sshd[1462]: Invalid user producao from 159.65.4.64 port 33170
Dec  8 07:40:01 home sshd[1462]: Failed password for invalid user producao from 159.65.4.64 port