Learn how to install and configure Fail2ban server, client, and services on an Ubuntu 20.04 or 18.04 LTS Linux server in this tutorial.
Bloggers and Developers who are running and managing their own servers, well of course they are responsible for its security as well. If in today’s world we don’t give heed to security then there is the possibility that our server would become a target of attackers – and cause damage. Well, although there are various online WAF, however, to harden the server an open-source program is available called Fail2Ban. It ensures that the IP address of an attacker is blocked for a certain period of time after several unsuccessful attempts and thus prevents an unlimited number of attempts that could later lead to finding out the password.