It can be done i hear around it everywhere and see it on ebay. It lately doesn't bring up to date me how...
Answers:
Your Xbox have a port for a cat5 cable, merely plug it into your make friends.
you inevitability to hold a wireless adapter to hook to and from your PC to the 360
All you call for is an ethernet cable. Plug one fall into the 360 and the other into a router. Hope that help.