How to Install Fail2Ban on Linux in 2025 | EP35 | Part 4 | How to Set Up a Homelab

Hey guys, Abe here; please see the links below to help you throughout this course. In this episode, we will cover Fail2ban: Fail2ban is a security application for Linux systems that helps protect against brute-force attacks by monitoring log files and banning suspicious IP addresses. It works by identifying failed login attempts or other malicious patterns and then using firewall rules to block the offending IP addresses, preventing further access.

Video notes:
www.learntohomelab.com/homelabseries/EP36_fail2ban…

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Timestamps:
00:00 Intro
00:48 What is Fail2Ban
01:50 Install Fail2Ban
02:09 Ensure Fail2Ban is running
02:38 Going Beyond Basic Configs (not required at all)
02:55 Creating a config file copy and editing it
07:18 Checking Fail2Ban Jail Statuses