User management and the related cryptographic authentication infrastructure is a major hurdle in deploying scalable, manageable VPNs (Virtual Private Networks). After introducing VPNs and Public Key Infrastructure (PKI) and discussing some of the benefits and challenges of two popular VPN implementations, we'll document how to build a scalable PKI to simplify VPN authentication management.

Read on for an interesting account on how to setup your secure VPN, including common pitfalls, gotchas, and example configurations. Let us know any tips you would give sysadmins in setting up OpenSWAN and OpenVPN!

The link for this article located at Debian Administration is no longer available.