"2.4 You must not attach, or permit to be attached, to ResNet anything other than the single computer system which has been registered in your name."
So if you're happy enough disconnecting and deregistering your computer only to find that the Xbox still won't work because three-quarters of the ports are blocked, go ahead. Remembering of course that
"1.1 Connection to ResNet is for accepted academic purposes only."
The fox is a crafty and deceitful animal that never runs in a straight line, but only in circles.