The IP 144.0.0.47 has just been banned by Fail2Ban after 20 attempts against SSH. Latest lines containing IP:144.0.0.47 in /var/log/syslog/sshd.log Sep 7 22:57:20 ftlogin2 sshd[21200]: Postponed keyboard-interactive for root from 144.0.0.47 port 45058 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21194]: Postponed keyboard-interactive for root from 144.0.0.47 port 45062 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21199]: Postponed keyboard-interactive for root from 144.0.0.47 port 45047 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21198]: Postponed keyboard-interactive for root from 144.0.0.47 port 45060 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21197]: Postponed keyboard-interactive for root from 144.0.0.47 port 45048 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21196]: Postponed keyboard-interactive for root from 144.0.0.47 port 45049 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21191]: Postponed keyboard-interactive for root from 144.0.0.47 port 45050 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21193]: Postponed keyboard-interactive for root from 144.0.0.47 port 45059 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21192]: Postponed keyboard-interactive for root from 144.0.0.47 port 45053 ssh2 Sep 7 22:57:20 ftlogin2 sshd[21195]: Postponed keyboard-interactive for root from 144.0.0.47 port 45056 ssh2 - Fail2ban on