> Lance Peterson wrote:
>
> I have on of those fancy-shmancy firewall/routers that does all sorts
> of cool things like web administration, user login, content filtering
> by user, keyword lists, trusted and forbidden domains, automatic dhcp,
> etc.... I've been trying to setup an LRP box to do all that fancy
> stuff just to see if it was possible. Then I started
> wondering...hmmm...what OS were those commercial firewall/routers
> using like Sonicwall, Linksys, SMC Barracade. The more I looked at
> them, the more I started to think it was some implementation of
> IP_Tables from the 2.4 Kernel to allow stateful inspection.
>
> Anyone know what is in those things?
>From what I heard they usually are modified versions of the *BSD family,
mainly FreeBSD. Ipfilter and Ipfw are usually used for implementing
stateful inspection rules for these systems. Then they are modified in
some manner, depending on what the vendor wants to do with them..
> Also, will I be able to do web administration, content filtering or
> keyword filtering, stateful inspection, as well as setup trusted
> and/or forbidden domains under LRP? I like the idea of being able to
> out-do my fancy-shmancy commercial firewall with an open source OS.
> Especially if I can eventually dump it to an SBC and replace the
> comercial firewall/router all together! That's my goal anyway.
>
> I perceive a long, hard road ahead - any help would be appreciated.
> I'm already going blind from reading HOWTO's.
If it gets too hard to do on LRP, there are many features that already
exist on Eigerstein2B which just need additional tweaking with some
extra packages, why not try it out on a minimal OpenBSD installation?
http://www.embsd.org/ - they want to get that working on Compact Flash
cards! :)
--
Patrick Benson
Stockholm, Sweden
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