I use e-smith from Mitel in just such a situation.  You do need to at least 
temporarly put in a CD for the install though and have PCI NICs.

On Wednesday 05 June 2002 06:45 pm, Kevin Brown wrote:
> Take a look at some of these:
>
> http://freshmeat.net/search/?q=floppy+firewall&section=projects
>
> robert jorgenson wrote:
> > Ok i got this P1 200 mhz box here i want to turn into a firewall, its got
> > a floppy drive and a 2 gig HD(couldn't find anything smaller), a 3com
> > NIC, a realtek NIC, 64 megs of RAM and i was wondering what would be a
> > good small firewall distro that i could install without a cdrom. Right
> > now my setup is like this ...
> >
> >                                             Parents Wintendo Box
> >                                           /
> > Internet--qwest gateway box--4 port hub--[
> >                                           \
> >                                             8 port hub--My main box
> >
> > Im thinking it would be best to put the firewall infront of the first 4
> > port hub but my parents are wierd and i doubt they would let me do that,
> > so i will probably be putting it in front of my hub. I really just want
> > something to keep unwanted things out of my box. Plus i also want to set
> > up a web/ftp/email server sometime in the near future but thats soemthing
> > else alltogether :) Any help is apreciated thanks :)
> >
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