The best free Linux firewalls make it simple and easy to set up a protective perimeter for your Linux PC or IT network without needing a subscription.
A dedicated firewall is the first line of defense when it comes to cybersecurity, intended to prevent unauthorized intrusion by providing a guarded perimeter between the internet and your computer or IT network.
Although Linux has a firewall built right into the kernel itself, it isn’t always the easiest to use, especially for new users to Linux, even when there are several graphical utilities that can help you manage it. Additionally, even if you can get that set up fine for your Linux desktop, the firewall’s protection is limited only to that and nothing else on your WiFi or IT network.
While it takes quite skill to set up a firewall from scratch, there are several specialized Linux distros that will help make it easier for you to set up a dedicated firewall, especially for networks.
We’ve assessed various firewalls, and looked at aspects such as ease of setup, deployment options, interface, documentation, performance, and the usability of various features, among other things.
Below we list what we think are the best free Linux firewalls currently available.
