ZDNet

Yes, you need a firewall on Linux - here's why and which to use

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.
Computerworld

Linux firewall survey, Part 2: Commercial firewall products

In January 2000, Check Point Software introduced a Linux port of its flagship product, FireWall-1. FireWall-1 is one of the best-selling products in the commercial firewall market. It now runs on five ...
Ars Technica

Linux Firewall (competing against the hardware firewall)

My company is replasing their Lynksis router with a somewhat better solution. I was given a task to propose a Linux based firewall.<BR>Currently we have cable modem WAN connection, but in the near ...
ZDNet

7 things even new Linux users can do to better secure the OS

It is no secret that Linux is a far more secure option than Windows. From the ground up, Linux was designed to be highly secure. Since I started using Linux (back in '97), I've only had one ...