Il logo di Fail2ban If you want to make your server inaccessible to an IP address from which too many suspicious attempts authentication, fail2ban is the tool for you. This is a Python script that automatically executes one of the boring operations that often a systems UNIX / Linux has to do manually: fail2ban search the system logs all IP addresses that have tried unsuccessfully to access the server, without attempts to access exceeds a certain maximum number allowed in a certain period of time, then that IP is cut off using iptables for a (just) some time. Read the rest »