Why is it even necessary to convince anybody that they need a firewall enabled on their Internet-facing computer – desktop or server? You would think that the role of a firewall should be obvious to any computer user. However, some of the comments that I have come across on this subject tell me that is not necessarily true.

What happens if someone gains unauthorized, physical access to your computer? Even with all the fancy firewall and other network security tools running, If the disk is not encrypted, check mate! Your data is now shared. This short tutorial shows you how Fedora implements disk encryption and how that protects your computer if it ever falls into the wrong hands.

Vuurmuur is graphical front end for famous firewall software iptables. You can make complex firewall rules in simple steps. Vuurmuur supports traffic shaping, has powerful monitoring features, which allow the administrator to look at the logs, connections and bandwidth usage in realtime.

This is a Mini-Course on the setup and use of the Fedora 11 firewall. This is a free course that is available to anyone. The Course is designed to take you step by step through the setup of a firewall that will meet your needs.

Network Address Translation (NAT) is one of the basic functions of a circuit level gateway. The simple purpose of NAT is to hide the IP addresses of a private network from the outside world.

The guide will take you through the setup of the pfSense firewall with one WAN interface, one LAN interface and one Opt1-WiFi Interface. This guide was written for Linksys, Netgear, and D-link users with no firewall or router experience. No experience is needed with FreeBSD or GNU/Linux to install and run pfSense.

Yoggie's innovative Yoggie Pico may well be the first hardware firewall that is truly practical for mobile workers running Windows-based computers. The device appears to work well, except for a simplistic web-based user interface that may not satisfy technical users.