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DShield - http://www.dshield.org/
Distributed Intrusion Detection System collects firewall log excerpts from volunteers. The logs are aggregated and analyzed. Several reports are generated showing trends in attack sources and methods used. |
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COAST Internet Firewalls Hotlist - http://www.cerias.purdue.edu/about/history/coast_resources/firewalls/
A list of firewall vendors, white papers, resources, and FAQs. |
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The Freefire Project - http://sites.inka.de/lina/freefire-l/index.en.html
Dedicated to users, administrators and developers of IT security solutions (especially firewalls) based on free software. It features a large tool overview, some articles on IT security and links to other resources. |
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FirewallSupport.com - http://www.firewallsupport.com/
Online support service specifically focused on firewall security. Information and resources to troubleshoot firewall problems. |