The author explains his opinion that a personal firewall "provides no real additional security over turning off the services that you don't use".

A web log style site consisting of articles, papers and news relating to security information.

This article is intended to provide some basic guidelines for securing your computer, and a better understanding of how some of these technologies work. It is intended primarily for users of high-speed Internet connections, but most of the article is applicable to dial-up Internet users also.

A module of recommended practices for the effective deployment of firewalls and implmentation of security policy The practices in this module will address designing, installing, and deploying firewalls.

Practical Cisco PIX guide based on hands-on experience with various PIX platforms and versions.

Discussions, tips and information on securing Linux based systems.

A group for Check Point Firewall-1 users and implementers. Contains the Check Point Wikipedia, discussion groups and other useful information.

A preliminary research paper exploring the benefits and possible implementations of a distributed firewall paradigm.

A brief but succinct discussion of what a firewall appliance is, their use and why they are needed. Covers basic firewall technology and firewall appliance and firewall software.

The America's Network White Paper Library provides access to a large number of white papers submitted by vendors and analysts. They are searcheable by category or keyword and there is provision for an e-mail notice when new papers are available in a selected topic area.

White papers, case studies, webcasts and product literature includes the latest research materials to help with your Firewall Appliance needs.

A blog dedicated to computer and firewall security. Contains definitions and explainations.

A fairly concise (< 4000 words) document for readers who want to know more about what firewalls do. Comprehensively covers main firewall concepts and technologies.

Provides security and firewall comparisons, compare tools, configuration tips. Also includes a user forum.

Firewall Question and answer site containing information, opinion and advice.

Web site for the book Firewalls and Internet Security: Repelling the Wily Hacker Second Edition by William R. Cheswick, Steven M. Bellovin, and Aviel D. Rubin. Contains some sample sections and a link to the complete contents of the First Edition.

Features information on security, personal firewall software and Internet security appliances for dial-up and broadband-connected (xDSL and cable modem) home and SOHO computers. Also offers reviews of anti-virus and anti-Trojan products and software.

An introductory explanation of how a firewall works and the various filtering methods used, with related links.

A how-to that covers the basics and some advanced topics of installing and configuring the firewall, especially for CPanel users.

A portal for professionals, features links, FAQs, tutorials, product information, magazine articles and downloads.

Features a background, basics, design, implementation issues, port and protocol issues. By Matt Curtin and Marcus Ranum. Documents are also available in Postscript and PDF.

General overview of firewalls and their roles in mitigating various forms of network attacks. Includes case studies.

For discussions of Internet firewall security systems and related issues. Also features searchable archives and digests.

An overview of firewalls and security with particular reference to firewalling with Linux 2.4 and Netfilter/Iptables.

How to build an OpenBSD firewall for use with Australian broadband ISPs (Telstra and Optus, cable & ADSL).

Explores the use of various firewall techniques for protecting resources according to business requirements of multi-tier applications.

White paper outlining the basics of firewall systems and giving details on setting up both, a filtering and proxy firewall on a Linux based system.

Features FAQs and links of interest. Also contains information on building and configuring of LAN security.

Resources and mailing list archive for Check Point Firewall-1.

This article is a general introduction to network security issues and solutions in the Internet; emphasis is placed on route filters and firewalls. It is intended as an overview. Some knowledge of IP networking is assumed, although not crucial.

Extensive guide to Outpost Firewall, with information for both inexperienced and expert users.

Mailing list for the pf firewall provided as part of the OpenBSD kernel.

One author's detailed, non-technical article explaining personal firewalls, their abilities, uses, and li

Links, downloads, documents, and FAQs relating to Check Point FireWall-1.

A brief straightforward tutorial on creating a simple routing firewall using Linux and netfilter (iptables).

This documents intends to show how to build a Firewall/Gateway with rules set on user basis having the users authenticated by a Samba Primary Domain Controller

Searchable archives of the mailing list and forums on a range of different firewalls and related items.

A collection of whitepapers and other dcuments on variosu aspects of firewalls such as what they are, how to choose one, proper installation etc.

Features FAQs, reviews, ratings, white papers, and tools to test Internet security and firewall vulnerabilities by Steve Gibson.

Details the procedure to configure a secure firewall on the Sun Solaris platform.

Dartmouth College Institute for Security Technology Studies firewall FAQ and other information and research documents in related areas.

A complete archive of the Firewalls Mailing list as well as other security and firewall resources.

A whitepaper on relevant firewall questions and answers. The knowledge of this subject relates to firewalls in general use, and stems from NAT and proxy firewall technology experience. Welcomes feedback and comments from any readers on the usefulness or content.

A general article on enabling passive FTP connections through a firewall. Examples used in the article discuss the APF firewall and Pure-FTPD ftp server.