On Sun, 2003-02-23 at 02:31, Russell Shaw wrote:
At the moment I've a RH firewall/router. It's quite unstable, so I would like to installa Debian as a firewall and router instead of RH.
I need the box act as a firwall/router (I belive it's called masquarading) and enabled port forwarding. Is there any easy to go guides for this?
Get your local network cards set up and network working. apt-get install iptables apt-get install ipmasq
If you want it to connect to dial-up isp, then apt-get install pppconfig
You may need to reboot to get all the scripts to run right.
Once pppconfig is set up, the pc can masquerade for other PCs connected to its network cards.
Hi Paul and Russel,
Thanks very much for the quick response. Perhaps I should mention that I'm a bit familiar with Debian. My primary desktop is a Debian, so installation should not be a problem.
It's a standard ethernet connection (ADSL), so I don't think it will be nessacery with a ppp configuartion. The pc has 2 3Coms netcards.
A couple of extra questions.
1. will the masquerade work automaticaly?
Yes, if your kernel has all the right options enabled. You should use a recent 2.4 kernel. The options are in the masquerading howto: http://www.tldp.org/HOWTO/IP-Masquerade-HOWTO
2. to which files do I write to port forwarding rules?
In /etc/ipmasq/rules, there's a bunch of scripts you can overide with scripts of the same name, but with a .rul extension. The pc should work as a masquerading gateway without having to add any rules.
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