Thomas Cook said: > I have spent the last few months constructing an ipchains firewall for > my computer lab. I finally got everything working a week or so ago, > but I realized there is noting telling things where to go. > > My firewall divides my network into an internal lab (10.0.0.0/24, all > ip_forward and MASQ on the firewall), and a DMZ for my servers > (10.10.0.0/24). The firewall tells all the packets where they can and > cant go, but how do I tell packets where they should go? For > example... > > Lets say my external ip is 1.2.3.4. So someone on the internet plugs > 1.2.3.4 in their browser. The browser contacts my firewall's external > interface asking for connect on port 80. How do I tell my firewall to > direct that www request to 1.2.3.4 into a request to 10.10.0.10 port 80 > (my apache server)? >
In a previous post you suggested that you have assigned dynamic IP's to both networks. I can't see how this can work.I'd at least assign static IP's to the servers. http://www.linuxdoc.org/HOWTO/IP-Masquerade-HOWTO/forwarders.html http://www.linuxdoc.org/HOWTO/IPCHAINS-HOWTO-7.html Simon. -- Simon Higgs.

