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.

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 ...

The Linux kernel includes some of the most powerful and flexible firewall code in any general-purpose operating system. This code is called Netfilter, though most of us refer to it by the name of its ...

Last month, I kicked off a series of articles on transparent firewalls, beginning with a brief essay on why firewalls are still relevant in an age of Web applications and tunneled traffic. I also ...

Keeping your home network safe has never been more important, given how much of our lives and finances are on our digital devices. I've toyed with the idea of building my own custom hardware firewall ...