The IP 144.0.0.67 has just been banned by Fail2Ban after 18 attempts against SSH. Latest lines containing IP:144.0.0.67 in /var/log/syslog/sshd.log Sep 22 00:14:47 ftlogin2 sshd[23304]: Failed keyboard-interactive/pam for root from 144.0.0.67 port 43540 ssh2 Sep 22 00:14:47 ftlogin2 sshd[23458]: Postponed keyboard-interactive for root from 144.0.0.67 port 43548 ssh2 Sep 22 00:14:47 ftlogin2 sshd[23303]: error: PAM: Authentication failure for root from 144.0.0.67 Sep 22 00:14:47 ftlogin2 sshd[23303]: Failed keyboard-interactive/pam for root from 144.0.0.67 port 43543 ssh2 Sep 22 00:14:48 ftlogin2 sshd[23452]: Postponed keyboard-interactive for root from 144.0.0.67 port 43540 ssh2 Sep 22 00:14:49 ftlogin2 sshd[23315]: error: PAM: Authentication failure for root from 144.0.0.67 Sep 22 00:14:49 ftlogin2 sshd[23315]: Failed keyboard-interactive/pam for root from 144.0.0.67 port 43548 ssh2 Sep 22 00:14:49 ftlogin2 sshd[23458]: Postponed keyboard-interactive for root from 144.0.0.67 port 43548 ssh2 Sep 22 00:14:50 ftlogin2 sshd[23304]: error: PAM: Authentication failure for root from 144.0.0.67 Sep 22 00:14:50 ftlogin2 sshd[23304]: Failed keyboard-interactive/pam for root from 144.0.0.67 port 43540 ssh2 - Fail2ban on