In this tutorial, we are going to show you how to protect SSH with Fail2ban on Ubuntu 22.04
SSH stands for Secure Shell Protocol and is a cryptographic network protocol for operating network services securely over an unsecured network. Fail2ban is an intrusion prevention software framework. Fail2ban is written in Python and is used to prevent brute-force attacks. In the next paragraphs, we are going to install Fail2ban and will provide you with commands for managing the fail2ban service. Then we will proceed with the fail2ban configuration for SSH protection.
Installing Fail2ban and protecting SSH is a straightforward process and may take up to 15 minutes. Let’s get started!