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. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]