The IP 185.10.49.29 has just been banned by Fail2Ban after 19 attempts against SSH. Latest lines containing IP:185.10.49.29 in /var/log/syslog/sshd.log Aug 10 14:28:39 ftlogin2 sshd[21374]: error: PAM: User not known to the underlying authentication module for illegal user admin from 185-10-49-29.colo.transip.net Aug 10 14:28:39 ftlogin2 sshd[21374]: Failed keyboard-interactive/pam for invalid user admin from 185.10.49.29 port 56502 ssh2 Aug 10 14:28:49 ftlogin2 sshd[21515]: Invalid user admin from 185.10.49.29 Aug 10 14:28:49 ftlogin2 sshd[21518]: Postponed keyboard-interactive for invalid user admin from 185.10.49.29 port 56784 ssh2 Aug 10 14:28:50 ftlogin2 sshd[21515]: error: PAM: User not known to the underlying authentication module for illegal user admin from 185-10-49-29.colo.transip.net Aug 10 14:28:50 ftlogin2 sshd[21515]: Failed keyboard-interactive/pam for invalid user admin from 185.10.49.29 port 56784 ssh2 Aug 10 14:28:50 ftlogin2 sshd[21518]: Postponed keyboard-interactive for invalid user admin from 185.10.49.29 port 56784 ssh2 Aug 10 14:28:51 ftlogin2 sshd[21515]: error: PAM: User not known to the underlying authentication module for illegal user admin from 185-10-49-29.colo.transip.net Aug 10 14:28:51 ftlogin2 sshd[21515]: Failed keyboard-interactive/pam for invalid user admin from 185.10.49.29 port 56784 ssh2 Aug 10 14:28:51 ftlogin2 sshd[21518]: Postponed keyboard-interactive for invalid user admin from 185.10.49.29 port 56784 ssh2 - Fail2ban on