IPFire is a Linux-based stateful firewall distro that’s built on top of Netfilter. It began as a fork of the IPCop project, but has since been rewritten based on Linux From Scratch. IPFire can be ...
Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW.
The best free Linux firewalls make it simple and easy to set up a secure perimeter for Linux machines. A dedicated firewall is an established basic cybersecurity tool, intended to prevent unauthorized ...