The IP 115.239.228.6 has just been banned by Fail2Ban after 18 attempts against SSH. Latest lines containing IP:115.239.228.6 in /var/log/syslog/sshd.log Jan 24 17:24:20 ftlogin1 sshd[5674]: Postponed keyboard-interactive for root from 115.239.228.6 port 47473 ssh2 Jan 24 17:24:22 ftlogin1 sshd[5671]: error: PAM: Authentication failure for root from 115.239.228.6 Jan 24 17:24:22 ftlogin1 sshd[5671]: Failed keyboard-interactive/pam for root from 115.239.228.6 port 47473 ssh2 Jan 24 17:24:22 ftlogin1 sshd[5674]: Postponed keyboard-interactive for root from 115.239.228.6 port 47473 ssh2 Jan 24 17:24:23 ftlogin1 sshd[5671]: error: PAM: Authentication failure for root from 115.239.228.6 Jan 24 17:24:23 ftlogin1 sshd[5671]: Failed keyboard-interactive/pam for root from 115.239.228.6 port 47473 ssh2 Jan 24 17:24:27 ftlogin1 sshd[5794]: error: PAM: Authentication failure for root from 115.239.228.6 Jan 24 17:24:28 ftlogin1 sshd[5797]: Postponed keyboard-interactive for root from 115.239.228.6 port 38321 ssh2 Jan 24 17:24:29 ftlogin1 sshd[5794]: error: PAM: Authentication failure for root from 115.239.228.6 Jan 24 17:24:29 ftlogin1 sshd[5794]: Failed keyboard-interactive/pam for root from 115.239.228.6 port 38321 ssh2 - Fail2ban on