Hi all, Due to my Netgear 11g router crapping the bed, I had to set up an old iBook G3 to serve as a 11b router. It has been serving as a print server dutifully. Anyways, I got to work (easier than I expected), but I still have reservations. I've taken precautions to make it as hacker-proof as possible, but I would like to do more. I could be running it this way for a little while, until I get a new Extreme. So here's what I've done so far. iBook is running 10.4 and is connected to the cable modem directly via ethernet. I enabled internet sharing and 128-bit WEP. I turned on the firewall and left Remote Desktop and Personal Web Sharing open. I did shut down File Sharing and Windows File sharing. I'm wondering if there's any way to enable MAC filtering with this set-up? The iBook is running on an Admin account ... should I log into a more restrictive account? Anything else I can do to secure my set-up? Thanks! EDIT - oh yeah, I have an unused Dell laptop with 11g, running Windows 2000. I would appreciate the extra speed of 11g, but I'm not sure if Windows is more/less secure with an ad-hoc network. Any comments? Using 11g would be a huge benefit as I'm only getting 3Mbps using my iBook network. Apparently, the cable modem is giving me 15 Mbps, so 11g should theoretically get me very close to 15.