You might want to check out http://www.freesco.org/ It's very simple to setup ( I need that ) free, and will run on one floppy 386 w/6 mb of ram, and 2 nics. A big THANK YOU to all you smart guys out there giving great replies to our "stupid" questions. I started with RH 5.1 years ago and would see and get nasty replies to simple questions, in the short time I've been on this list I haven't see that. Tim... On Thu, 2004-07-08 at 02:50, Nigel Wade wrote: > Bobby Knueven wrote: > > I am getting ready to build my first firewall, using Fedora Core 2. I > > have read a lot of tutorials, but all of them are for firewall with NAT > > enabled. What do I do if I don't need NAT. For example, I have a network > > with 50 Class B Ip's we use a default gateway supplied by our University > > and DHCP to distribute the IP's. So the only thing I really need to do > > is firewall my 50 IP's from the outside world while continuing to use > > our given IP's and gateway. Any thoughts on how to set this up would be > > appreciated. > > > > One more question, when connecting the outgoing NIC from the firewall to > > the rest of the network do I need to use a crossover cable or will I > > specify that the NIC is supposed to be outgoing in firewall configuration? > > > > Thanks for the help. > > > > Bobby K > > > > > > If you are putting a firewall between your subnet and the default gateway > for your subnet the simplest setup is a bridging firewall. It's not as > trivial to configure as a normal or routing firewall. I've only actually > done this with RH7.3, but I don't think there are any fundamental differences. > > As a bridging firewall you can set it up to inspect packets as they pass > through the bridge and reject or drop those it doesn't like. Otherwise it > operates just like a bridge, and is effectively transparent to the rest of > the network. If you want, you can give an IP to the bridge so that you can > access it from other hosts, but that's not necessary if you maintain it from > the console. > > -- > Nigel Wade, System Administrator, Space Plasma Physics Group, > University of Leicester, Leicester, LE1 7RH, UK > E-mail : nmw@xxxxxxxxxxxx > Phone : +44 (0)116 2523548, Fax : +44 (0)116 2523555 >