The IP 144.0.0.65 has just been banned by Fail2Ban after 18 attempts against SSH. Latest lines containing IP:144.0.0.65 in /var/log/syslog/sshd.log Sep 11 18:22:49 ftlogin2 sshd[11146]: error: PAM: Authentication failure for root from 144.0.0.65 Sep 11 18:22:49 ftlogin2 sshd[11146]: Failed keyboard-interactive/pam for root from 144.0.0.65 port 29005 ssh2 Sep 11 18:22:50 ftlogin2 sshd[11116]: error: PAM: Authentication failure for root from 144.0.0.65 Sep 11 18:22:50 ftlogin2 sshd[11116]: Failed keyboard-interactive/pam for root from 144.0.0.65 port 28999 ssh2 Sep 11 18:22:53 ftlogin2 sshd[11166]: error: PAM: Authentication failure for root from 144.0.0.65 Sep 11 18:22:53 ftlogin2 sshd[11169]: Postponed keyboard-interactive for root from 144.0.0.65 port 32718 ssh2 Sep 11 18:22:54 ftlogin2 sshd[11170]: error: PAM: Authentication failure for root from 144.0.0.65 Sep 11 18:22:54 ftlogin2 sshd[11174]: error: PAM: Authentication failure for root from 144.0.0.65 Sep 11 18:22:54 ftlogin2 sshd[11177]: Postponed keyboard-interactive for root from 144.0.0.65 port 33222 ssh2 Sep 11 18:22:54 ftlogin2 sshd[11173]: Postponed keyboard-interactive for root from 144.0.0.65 port 32868 ssh2 - Fail2ban on