FAQs, Help, and Tutorials
An Introduction to Intrusion Detection Systems, IDS Evasion Techniques (Security Focus), Intrusion Detection FAQ, Network-based intrusion-detection systems, Raffael Marty: Intrusion Detection Resources, Rules Definition for an Anomaly-Based IDS Solution, SecurePoint IDS Mailing List
Products and Tools
Open Source, Activeworx, Inc., Barbedwire Technologies, Blue Lance LT Auditor+, Cisco Systems IDS, Countersnipe, Critical Test Access Points, CyberSafe, CyberTrace Intrusion Detection, Cymtec Systems, Demarc Security
Research
CIDER Project, COAST Intrusion Detection Pages, Common Intrusion Detection Framework (CIDF), Computer immune systems (University of New Mexico), Cost-sensitive intrusion detection(Georgia Institu, EMERALD (Event Monitoring Enabling Responses to An, INBOUNDS - Integrated Network Based Ohio Universit, Intrusion detection articles, Intrusion detection at the MIT Lincoln Lab, Inform, Intrusion Detection Exchange Format (idwg)
COAST Intrusion Detection Hostlist
Clearinghouse listing of many of the Internet resources associated with intrusion detection and prevention systems. Includes inventories of commercial products, research projects, and other IDS-centric material.
DShield
Distributed Intrusion Detection System. Submit your own firewall log excerpts or browse through current activity reported to the system. Features a list of the "most wanted" abusive IP addresses.
Internet Storm Center
Operated by the SANS Institute, the ISC provides a user-supported infrastructure for intrusion detection systems to share information about ongoing attacks that span countries, networks, and administrative boundaries.
Intrusion Detection System Resources
Comprehensive collection of tutorials, product reviews, general information and other resources dealing with Intrusion Detection and Prevention Systems.
Linux Security IDS
An excellent source of IDS-related information, including security best practices, audit procedures, penetration testing, community information and more.
LinuxSecurity IDS Resources
Comprehensive collection of IDS-related resources made available by the linuxsecurity.com community.
Michael Sobirey's IDS Page
An excellent index of most currently available IDS and IPS products, including vendor contact information.
Privacyware Intrusion Prevention and Detection
Extends the capabilities of conventional security systems to help manage threats more efficiently and effectively. Includes a wide array of intrusion detection and analysis tools for Windows servers.
Security Library
Collection of detailed technical papers on focusing on TCP networks, Intrusion Detection Systems, firewall protection and more.
Security Resources for Windows Network Administrat
Provides books, articles, software and other information on penetration testing and other security issues. Geared toward Windows NT/2000/XP Network Administrators.
SecurityFocus
Intrusion detection focus area; designed to assist discussion on security related topics, and provides a comprehensive database of security knowledge and resources. It also hosts the BUGTRAQ mailing list.
Talisker Security Products and Services
Large index of computer security resources, including a glossary of Intrusion Detection and Prevention systems.