Fail2Ban simple config for SSH
Introduction
Fail2Ban is a software that scans logs files and can ban IP addresses, for example with too many failed login attempts. Ban is done by updating system firewall rules to reject connections from those IP addresses for a configurable amount of time. This functionality is really useful to protect your server from brute force attacks. In this article we will look at how to protect one of the most important service which is SSH using Fail2Ban.
OS used: Debian 12
Software used: fail2ban 1.0.2