The IP 183.136.216.4 has just been banned by Fail2Ban after 18 attempts against SSH. Latest lines containing IP:183.136.216.4 in /var/log/syslog/sshd.log Jan 25 19:24:24 ftlogin1 sshd[19334]: error: PAM: Authentication failure for root from 183.136.216.4 Jan 25 19:24:24 ftlogin1 sshd[19334]: Failed keyboard-interactive/pam for root from 183.136.216.4 port 52258 ssh2 Jan 25 19:24:24 ftlogin1 sshd[19337]: Postponed keyboard-interactive for root from 183.136.216.4 port 52258 ssh2 Jan 25 19:24:25 ftlogin1 sshd[19334]: error: PAM: Authentication failure for root from 183.136.216.4 Jan 25 19:24:25 ftlogin1 sshd[19334]: Failed keyboard-interactive/pam for root from 183.136.216.4 port 52258 ssh2 Jan 25 19:24:29 ftlogin1 sshd[19457]: error: PAM: Authentication failure for root from 183.136.216.4 Jan 25 19:24:29 ftlogin1 sshd[19460]: Postponed keyboard-interactive for root from 183.136.216.4 port 41805 ssh2 Jan 25 19:24:31 ftlogin1 sshd[19457]: error: PAM: Authentication failure for root from 183.136.216.4 Jan 25 19:24:31 ftlogin1 sshd[19457]: Failed keyboard-interactive/pam for root from 183.136.216.4 port 41805 ssh2 Jan 25 19:24:31 ftlogin1 sshd[19460]: Postponed keyboard-interactive for root from 183.136.216.4 port 41805 ssh2 - Fail2ban on