Provides a platform for users of firewalls to share intrusion information.
Home PC Firewall Guide
Offers information on improving Internet security by using secure email, firewall router and personal firewall, anti-virus, anti-Trojan, and anti-spyware software on desktop computers. Also includes product reviews.
Audit firewall configuration using this stealth port scanner.
Personal Firewall Day
Information about protecting computers with personal firewalls.
FAQ - Internet Firewalls:
Background, design and implementation issues, how-tos, and other technical information.
Providing a broad overview and comparison of available firewall technologies and the TCP/IP model.
Firewall resource guide covering the basics, network layers, and application layers.
Perimeter Defense Architecture
Lengthy illustrated paper by Lenny Zeltser provides instructions for configuring firewalls and routers and describes steps for auditing the defense perimeter.