See also What Makes a Virtual Private Network Private? in Webopedia's 'Did You Know...' section.

Cisco VPN Solutions - Enhance VPN Functionality - Improve Security and Flexibility Today!

VPN Hardware and Software: QuickLink Mobility - Client and server solutions that provide mobile connectivity and security management, a mobile VPN, session persistence and IT management.

Telecommunications Training - Telecom, datacom, networking, IP, MPLS, VoIP and wireless training for non-engineers. Seminars, DVD video courses, CBT, textbooks, free tutorials.

VPNs: The Time Is Now?
A 2001 article from IntranetJournal.com

EnterpriseNetworkingPlanet
EnterpriseNetworkingPlanet provides practical advice and news for running and managing an enterprise network. In-depth articles and news cover topics such as network management, network monitoring, servers, communications, Internet telephony, operating systems, and much more.

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VPN industry news and announcements, guides, resources and VPN services and information.

Open Networks Today
Networking news moves at a fast pace, and Open Networks Today lets you keep up with it. Open Networks Today offers its readers the ability to control how news is presented through customizing content filters, discussions, and news feed links.

PracticallyNetworked.com
PracticallyNetworked.com provides easy-to-understand help for small-network builders. The site contains how-to information for setting up and debugging home-office and small-business networks. Users can also find extensive troubleshooting information, tips on getting applications to work through firewalls, product reviews on network hardware and software, and more.

PracticallyNetworked.com Discussion Forums
If network connections, sharing computers, router problems or other networking issues are bogging you down, then the PracticallyNetworked.com discussion forum is the place to be. Here you'll find help and support for all your network-related problems.