okay then, since you don't want to hear me push linux, I won't. Use OpenBSD instead.
Seriously, running a transparent bridge with OpenBSD is pretty simple. That's even one of the examples they go through on the networking faq. And that "ancient" machine you mentioned would be plenty for what you want to do. I run my home network through a K6-200 running OpenBSD and it only adds a millisecond or so to the latency, so even if you're a gamer you shouldn't mind too much. Another thing for which I prefer OpenBSD over linux is the install size. I can easily get it installed in under 400 megs, but I never can seem to get a RedHat install anywhere near that small. Probably I should try Slackware but they don't seem to keep it updated enough for me... Anyhoo, where was I? Oh yeah, if you run a transparent bridge, you can implement rules to pass or block traffic based on your own criteria, something you obviously can't do with a separate node running in promiscuous mode. I don't want to sound like a zealot or anything, but you really should check out http://www.openbsd.org
If you're anal about security (and I am) it's a lovely OS right out of the box.
<font size=-1>[ This Message was edited by: Despite on 2002-01-08 12:54 ]</font>