How do I create a game online so I can play a friend of mine?
Start a new multiplayer server in the multiplayer options, and give it a distinctive name so he can find it. If you have a static IP, you could also give him your IP address but the name is usually the easiest way.
If you have had trouble using that method and you are going through some kind of router or other external firewall, read this article:
Thanks a lot that article help, I got it to work. Now I can play my friend. Thanks again.