The IP 61.174.49.106 has just been banned by Fail2Ban after 19 attempts against SSH. Latest lines containing IP:61.174.49.106 in /var/log/syslog/sshd.log Jan 25 14:23:38 ftlogin1 sshd[5562]: Failed keyboard-interactive/pam for root from 61.174.49.106 port 56273 ssh2 Jan 25 14:23:43 ftlogin1 sshd[5569]: reverse mapping checking getaddrinfo for 106.49.174.61.dial.wz.zj.dynamic.163data.com.cn [61.174.49.106] failed - POSSIBLE BREAK-IN ATTEMPT! Jan 25 14:23:45 ftlogin1 sshd[5569]: error: PAM: Authentication failure for root from 61.174.49.106 Jan 25 14:23:46 ftlogin1 sshd[5572]: Postponed keyboard-interactive for root from 61.174.49.106 port 44107 ssh2 Jan 25 14:23:56 ftlogin1 sshd[5572]: Received disconnect from 61.174.49.106: 11: Jan 25 14:23:59 ftlogin1 sshd[5576]: reverse mapping checking getaddrinfo for 106.49.174.61.dial.wz.zj.dynamic.163data.com.cn [61.174.49.106] failed - POSSIBLE BREAK-IN ATTEMPT! Jan 25 14:24:04 ftlogin1 sshd[5576]: error: PAM: Authentication failure for root from 61.174.49.106 Jan 25 14:24:04 ftlogin1 sshd[5579]: Postponed keyboard-interactive for root from 61.174.49.106 port 36667 ssh2 Jan 25 14:24:06 ftlogin1 sshd[5576]: error: PAM: Authentication failure for root from 61.174.49.106 Jan 25 14:24:06 ftlogin1 sshd[5576]: Failed keyboard-interactive/pam for root from 61.174.49.106 port 36667 ssh2 - Fail2ban on