Heres the situation, i got a GT704WG wireless modem/router, i got a annoying cousins whose get the WEP key to the router and using my internet. For verizon modems/routers theres a http address you go to which lets you make security and setting changed for the actual device, under the network it shows who is connected to the network. Supposably i can block the use of the internet to specific computers logged into my router. Does this really work? If i blocked my cousins laptop will he really not be getting any internet feed what so ever?