Beginners Guide to Firewalls and Internet Security - 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. The Firewall FAQ - Dartmouth College Institute for Security Technology Studies firewall FAQ and other information and research documents in related areas. Firewalls and Internet Security: Repelling the Wily Hacker - 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. How Stuff Works: Internet Firewalls - An introductory explanation of how a firewall works and the various filtering methods used, with related links. Interhack.net: Firewalls Frequently Asked Questions - 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. Samba Authenticated Gateway - 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 Packet filter (pf) mailing list - Mailing list for the pf firewall provided as part of the OpenBSD kernel. Home PC Firewall Guide - 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. Outpost Firewall - The Webhiker's Guide - Includes guide to Outpost Firewall, with information for both inexperienced and expert users. Shields Up: Personal Firewalls - Features FAQs, reviews, ratings, white papers, and tools to test Internet security and firewall vulnerabilities by Steve Gibson. CPUG: The Check Point User Group - A group for Check Point Firewall-1 users and implementers. Contains the Check Point Wikipedia, discussion groups and other useful information. Lenny Zeltser Firewall Discussions - Explores the use of various firewall techniques for protecting resources according to business requirements of multi-tier applications. Lowth.com - Linux security and related software articles and tools. Firewall Tutorial - A fairly concise (< 4000 words) document for readers who want to know more about what firewalls do. Comprehensively covers main firewall concepts and technologies. Firewall Software - A weblog dedicated to computer and firewall security. Contains definitions and explanations. How-to setup an APF Firewall - A how-to that covers the basics and some advanced topics of installing and configuring the firewall, especially for CPanel users. Workable passive FTP connections through a firewall - 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. Network Security Information for developers and administrators - Technical information on network security technologies - Firewall, IPS, IPsec VPN, Anti Virus, Anti Spam. This site also contains extensive information on TR-069 technology.