Re: [OT] Recommended Router Hardware

On Mon, Aug 06, 2007 at 01:49:08PM -0700, David Brodbeck wrote:
> On Aug 6, 2007, at 1:22 PM, Andrei Popescu wrote:
> >On Mon, Aug 06, 2007 at 08:45:21AM -0700, Andrew Sackville-West wrote:
> >
> >>no. to use a desktop machine as a router, you need two network
> >>connections: one for the local network to attach to and one for the
> >>internet at large. The computer then routes packets appropriately and
> >
> >I've read somewhere that it can be done with one card, but it's very
> >difficult to setup.
>
> You can do it, by creating multiple IP aliases on the one adapter.
> There are some caveats, though. For example, this likely won't work
> very well if you plan to do DHCP on your local network. Other
> protocols that use IP broadcasts can also get confused or get into
> trouble. Other than that, it isn't necessarily *harder* to set up,
> but it's more *confusing* to set up, if that makes sense.

If this box is going to be a firewall, even with IP aliases, isn't this an issue? Is there no way for an attack to bypass the level 3 router by doing something at a lower level?

Anyway, its too confusing to me, especially if its only to save buying a cheap NIC.

Doug.

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