[expl0d]

I live in an apartment complex and each room has 2 ethernet jacks. I directly hooked up my xbox to the jack and am recieveing a moderate.. sometimes strict NAT setting. i've researched this topic and found that you must open certain ports to allow an open NAT. My question is.. even if I hook my xbox to a router in my apartment could I open these ports? or does the apt. complex's server/router determine what ports are open?

Thanks!
Jay