Okay, I know some of you deal with this stuff regularly and it comes as second nature to you. I'm not one of those guys. Please excuse what seems as ignorance, but really isn't. I've got my Mac on cable internet. I had it set up cable>cable modem>Mac. I bought an iPhone and want WiFi at home so I don't have to use the shitty AT&T EDGE network. So I bought a Linksys WRT54G router. I was under the impression that all I had to do was power-up the router, go cable>router>cable modem>Mac and that would be it and I would be able to access wireless with the iPhone. The problem I'm encountering is that when I put things together like I just described, my Mac says it's not connected to the internet. Doesn't the internet signal just pass through the router and right into the computer? And what can I do to ensure security so no one can access my wireless? I know there's a simple solution, I just don't know what it is. I'd appreciate anyone's clear insight.