The IP 115.231.222.45 has just been banned by Fail2Ban after 18 attempts against SSH. Latest lines containing IP:115.231.222.45 in /var/log/syslog/sshd.log Jan 24 15:06:12 ftlogin1 sshd[16538]: error: PAM: Authentication failure for root from 115.231.222.45 Jan 24 15:06:12 ftlogin1 sshd[16538]: Failed keyboard-interactive/pam for root from 115.231.222.45 port 49955 ssh2 Jan 24 15:06:12 ftlogin1 sshd[16541]: Postponed keyboard-interactive for root from 115.231.222.45 port 49955 ssh2 Jan 24 15:06:14 ftlogin1 sshd[16538]: error: PAM: Authentication failure for root from 115.231.222.45 Jan 24 15:06:14 ftlogin1 sshd[16538]: Failed keyboard-interactive/pam for root from 115.231.222.45 port 49955 ssh2 Jan 24 15:06:19 ftlogin1 sshd[16545]: error: PAM: Authentication failure for root from 115.231.222.45 Jan 24 15:06:19 ftlogin1 sshd[16548]: Postponed keyboard-interactive for root from 115.231.222.45 port 40903 ssh2 Jan 24 15:06:21 ftlogin1 sshd[16545]: error: PAM: Authentication failure for root from 115.231.222.45 Jan 24 15:06:21 ftlogin1 sshd[16545]: Failed keyboard-interactive/pam for root from 115.231.222.45 port 40903 ssh2 Jan 24 15:06:21 ftlogin1 sshd[16548]: Postponed keyboard-interactive for root from 115.231.222.45 port 40903 ssh2 - Fail2ban on