Leif,
THE WAY I DO IT:
There are howto's on iptables at:
http://netfilter.samba.org/unreliable-guides/

The one you are most interested in is the NAT-Howto although a good read
through the networking concepts and packet filtering howto will give you a
wealth of background information that you will find useful in present and
future.  I highly recommend that you read them as well.  In the NAT howto
you will find a section about masquerading.  This is essentially what you
want to do.

Additionally, at www.linuxdoc.org there are 2 howto's to read.  They are the
firewalling howto and the masquerading howto.  These use the 2.0 kernel
ipchains firewalling tool where you will use the iptables tool at Rusty's
guides but there is other configuration information you will need from them
as well as useful background information.  One note on these -- there is no
need to rebuild the kernel unless you want to for security, performance or
educational reasons (in which case, read the Kernel howto as well).  The
stock LM8.1 kernel comes with all the modules you need.

Yes there is a lot of reading and learning to be done but I found it well
worth it.

ANOTHER POSSIBLE OPTION:
In the Mandrake Control Center, under Network & Internet, there is a
configuration wizard for Connection Sharing.  Theoretically, this should
also accomplish the goal in a quick and easy fashion.  I have never used
this so I cannot validate how well it works or what security concerns there
might be.

--
Quintin

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Leif Madsen
Sent: Thursday, November 08, 2001 5:58 PM
To: [EMAIL PROTECTED]
Subject: [expert] Setting Up Gateway


I would ask this in the Newbie list.. but I no longer subscribe to it.

I've installed Mandrake 8.1 on a P100, with 32MB of RAM, and plan on using
it
for a router/gateway to the internet.  I've got two network cards in the
P100
system, and they both load fine.   For some reason, I can't seem to find a
website with instructions on just how to setup the gateway easily, as they
all seem to kind of talk jibberish, or have various things that don't apply
to me.

If someone could point me to a good website in how to setup a very simple
gateway network (single server, single client connected with crossover
cable).  It would be appreciated.

Thanks in advance.

--
Leif Madsen - Project Manager
http://www.plannettechnologies.com
Plan-Net Technologies



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