A secure virtual private network (VPN) is described herein. The secure VPN implements standard VPN software with diagnostics to ensure a client device coupling to the VPN is secure. The diagnostics include a policy, a library and an engine where the policy determines what the requirements are for permitting...http://www.google.de/patents/US7840514?utm_source=gb-gplus-sharePatent US7840514 - Secure virtual private network utilizing a diagnostics policy and diagnostics engine to establish a secure network connection