If you want to set up a home network — or to more effectively protect a single computer if you have a cable modem or DSL modem connection, you need to start with a router.
One of the best choices is the Linksys WRT54GL, which is an 802.11g 54Mbits/second wireless router.

Linksys-Cisco WRT54GL Wireless-G Broadband Router [...]

“Firewall? I don’t need no stinkin’ Firewall!”
You only have to read a few of my Internet security articles or my home networking articles to know my thoughts on that. I believe you must be use a software firewall on your computer. Whether you are use dialup, cable or DSL, and no matter [...]