[wplug] questions about firewall

[Romano, Christopher]

sorry bill I forgot to change the reply to.

I use one card to connect to my DSL modem and the other to connect to my
hub.

So I do I apply the rules for eth0 to ppp0 and forget about eth0?

Chris

-----Original Message-----
From: Bill Moran
To: wplug at wplug.org
Sent: 12/8/2001 11:14 AM
Subject: Re: [wplug] questions about firewall

Romano, Christopher wrote:
> Everything that I have read has eth1 with an internal IP address and
eth0
> with a public IP address.  I use Verizon DSL and my connection is
through
> ppp0.  So ppp0 has the external IP and both my ethN have internal.
When I
> set up my rules do I just use the two internal because they are my
ethernet
> cards?  I know that I have going to have to mask everything to go
through my
> ppp connection.  I am going to be using IPTables.

Why do you have two eth cards internally?  The first thing you may want
to
consider is "Do I need two eth cards".  You may be making things
unnecessarily
complicated.
If you only have the ppp interface and one eth interface, then what you
do is
just replace eth0 with ppp0 in those tutorials and eth1 with eth0.
If you need both internal interfaces, then your changes are still not
that complicated:
you'll need to use the rules the tutorials tell you to apply to eth0 on
ppp0,
and the rules the tutorials tell you to apply to eth1 on _both_ internal
interfaces.

Good luck.

-- 
Bill Moran
Potential Technology
http://www.potentialtech.com

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