How To Build A IPSEC VPN between A Debian Server And A Cisco Router

This tutorial will show you how to connect more then one VPS server and also one or more physical servers to a IPSEC VPN (Virtual Private Network). There is a lot of instructions available on the web showing you how to build your own VPN on OpenSWAN, but it's marked as deprecated so the new recommended method is to use StrongSWAN instead. Using StrongSWAN has a slightly different configuration as describer below.   Let's...
By tapish01, September 8, 2015