On Thu, May 26, 2011 at 5:17 PM, Chris Smith <obsd_m...@chrissmith.org> wrote: > Basically I'm wondering if there is a way for a client app for a > particular service and/or the service it's connecting to, tell if > there's a VPN being used in the path to obscure the endpoint (IP > address of host running the client app)?
The two endpoints could compare the remote IP with what the remote end thinks its local IP is. You can connect to a third party and compare results. In general I would say you are asking the wrong question. The answer should not matter.
