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 00:14:44 ftlogin1 sshd[22359]: error: PAM: Authentication failure for root from 144.0.0.67 Sep 22 00:14:44 ftlogin1 sshd[22359]: Failed keyboard-interactive/pam for root from 144.0.0.67 port 44239 ssh2 Sep 22 00:14:45 ftlogin1 sshd[22382]: Postponed keyboard-interactive for root from 144.0.0.67 port 44239 ssh2 Sep 22 00:14:47 ftlogin1 sshd[22359]: error: PAM: Authentication failure for root from 144.0.0.67 Sep 22 00:14:47 ftlogin1 sshd[22359]: Failed keyboard-interactive/pam for root from 144.0.0.67 port 44239 ssh2 Sep 22 00:14:51 ftlogin1 sshd[22377]: Connection closed by 144.0.0.67 Sep 22 00:14:52 ftlogin1 sshd[22406]: error: PAM: Authentication failure for root from 144.0.0.67 Sep 22 00:14:53 ftlogin1 sshd[22409]: Postponed keyboard-interactive for root from 144.0.0.67 port 47785 ssh2 Sep 22 00:15:02 ftlogin1 sshd[22406]: error: PAM: Authentication failure for root from 144.0.0.67 Sep 22 00:15:02 ftlogin1 sshd[22406]: Failed keyboard-interactive/pam for root from 144.0.0.67 port 47785 ssh2 - Fail2ban on