OpenVPN http://www.openvpn.net is a free and open source virtual private network (VPN) program for creating point-to-point or server-to-multiclient encrypted tunnels between host computers. It is capable of establishing direct links between computers across networks and firewalls. It is powerful software, but getting the most from it can be a daunting task.OpenVPN 2 Cookbook provides solutions to common OpenVPN problems. The book covers everything a system administrator needs to manage and run an OpenVPN network, from point to point networks to troubleshooting. OpenVPN 2 Cookbook offers all the information you need to successfully manage your network. Covering all the common networks, including point to point networks, multi-client tun style networks and multi client tap style networks, this practical guide gives quick answers to common questions and problems.
Each technical aspect is broken down into short recipes that demonstrate solutions with working code, then explain why and how that works. The book is intended to be a desk reference for users with a whole range of experience levels.