im guessing u wanna play with a friend right? (correct me if im wrong)i once tried with a coop game hamachi (a programm)
u both need to get that programm and create a channel in it, then join the channel together and if one of u host a network game(lan) ur friend is able to see it if im right, never tried this with fh2 but with a other game
and there it worked u can always give it a try if that is what u meant, if u want to host a own server for public i have no idea how that goes for that question u need to find someone else =-p