Hello everyone and thanks, i have a wireless router (D-Link DSL-G604T) and i'd like to put a WAP or WEP key to let getting in smply the computers that i want but i don't know how to set this key up in a mac, i do in a pc but not in a mac or what other way do you recommend me to secure my wireless network, i have a ps2 wired connected and i don't want that if i put this key in a wrong way my ps2 connection will be lost, sorry but i'm not really good with networking problems thanks a lot.