NW Fusion: Research: VPNs - This is a comprehensive collection of VPN resources and articles.FirstVPN - FirstVPN offers Virtual Private Network design, implementation, and management for service providers and end-users.
VPN Info on the World Wide Web - All-encompasing guide to VPN. Includes standards, reviews, legal information, and howtos.
Virtual Private Network Consortium - VPNC is the international trade association for manufacturers in the VPN market.
InfoSysSec - Comprehensive collection of VPN guides, FAQs, tutorials and articles. Vendors and products; usage with Linux, NT and Unix; integration with firewalls, and mailing lists.
VPN labs - research community - VPN labs is an open community for researching, reviewing, and discussing Virtual Private Networks.
How Stuff Works: How Virtual Private Networks Work - Gives definition of VPN and an overview of general VPN topics, includes diagrams and an animation.
dtool -VPNs - dtool is an excellent resource for Network Design, VPNs, Frame Relay, SNMP, Java, Javascript, CGI, Perl, HTML, Visual Basic, VBA, Windows 95/98 and Windows NT
About.com VPN directory - A smattering of VPN resources including a glossary and a self-test.
Tom Dunigan's Virtual Private Networks page - This page describes IP-based VPN technology over the Internet
Corecom VPN FAQ Page - Geared towards those new to VPN.
Google Groups: comp.dcom.vpn - Forum for discussion of VPN related issues.
