voyager 1 which is currently the farthest man made object from earth is approx 147 AU away, where as 1 light year is equiv to 63241.1 AU... so it has a little ways to go still :)
if you are running esxi or hyperv you can get an OpenVPN Access Server appliance, its pretty easy to setup and I'm sure you can find a youtube vidya or two to walk you through setting it up. It comes stock with a webui to admin it. 2 simultaneous connections with the free license.