Take a look here for an information about VPN's

http://www.howstuffworks.com/vpn1.htm

And without a VPN this is a good article

http://www.west-wind.com/presentations/internetenabling/internetenabling.htm

look for Data access over TCP/IP
For a starter.

Bob Lee

>Let me rephrase the problem.
>
>A client has his files on the company network. He goes off site and wishes to continue networking from a remote point. Can he connect to his office using VPN and if so how does he work out what the ip address of his pc is which is sitting behind a router with permanent Web access.
>
>I have seen the answes which point to a web server (and I appreciate the food for thought) but I need to access the client's network directly. Is VPN the only way or is there some other way?
>
>Colin Northway