IDS Evasion Techniques (Security Focus) Explainations of basic IDS evasion techniques as well as suggested fixes and countermeasures to such attacks. Topics covered include basic string-matching weaknesses, polymorphic shell code, session splicing, fragmentation attacks, and denial of service attacks. http://www.securityfocus.com/infocus/1577

SecurePoint IDS Mailing List Searchable archive of SecurePoint Technologies' IDS mailing list. http://msgs.securepoint.com/ids/

Intrusion Detection FAQ Frequently asked questions about intrusion detection, from the SANS Institute. http://www.sans.org/resources/idfaq/

Raffael Marty: Intrusion Detection Resources A good overall collection of IDS resources including links to log analysis, honeypot, and other useful tools. Also includes information regarding the THOR and Odin IDS projects. http://security.raffy.ch/Intrusion_Detection.php3

An Introduction to Intrusion Detection Systems Detailed introductory guide to intrusion detection systems, both host and network-based. The Dragon IDS Suite is used to demonstrate usage principles. http://www.intrusion-detection-system-group.co.uk

Network-based intrusion-detection systems IDS coverage from Network World, including an in-depth review of eight IDS products, tips for deployment and false alarm reduction, terminology glossary, and related news stories. http://www.nwfusion.com/techinsider/2002/0624security.html

WindowSecurity.com IDS FAQ Provides a list of Frequently Asked Questions relating to Intrusion Detection Systems. http://www.windowsecurity.com/faqs/Intrusion_Detection/

Rules Definition for an Anomaly-Based IDS Solution Information Security documentation, including a paper describing how to effectively use rule-based NIDS to perform anomaly intrusion detection. http://www.security-gurus.de/docs.php

Virtual eXecuting Environment VXE is an open source Intrusion Prevention System intended to protect Unix subsystems (daemon protection) from known and unknown network intrusion threats. http://vxe.quercitron.com