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 ...
Linux Journal

Paranoid Penguin - Building a Transparent Firewall with Linux, Part II

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 ...
CRN

Build This Cheap But Effective Firewall

In this Recipe, I'll explain both the options for firewall protection and the differences between hardware and software implementations. By the end, you should be able to point a client to the ...
ZDNet

Building a powerful & affordable firewall with Linux

It's no doubt that one of the leaders for network equipment is Cisco Systems. Newer Cisco devices are starting to use what Cisco calls its "="" operating="" system"="">, which is a customized flavor ...
Linux Journal

Building a Transparent Firewall with Linux, Part IV

I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...
Ars Technica

Installing a different OS onto an old hardware firewall

I have a hardware firewall - 2 years old, but no longer being used because the manufacturer (Gsec1) went into liquidation last year & there are therefore no more updates to it released.<BR><BR>It did ...