Firewall-1

[FW-1] NATting, ojbects and DMZ's

Subject: [FW-1] NATting, ojbects and DMZ's
From: Erik Decker <edecker AT NORMAL DOT ORG>
To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Date: Thu, 29 Dec 2005 11:20:37 -0600
Here is the scenario:

I have 3 interfaces on my enforcement module.  One external, one DMZ,
one internal.  All different subnets.  Natting takes place for the DMZ,
with internal addresses on the objects.

How can I set up my rules so traffic from the internal network -> DMZ
does not get natted as it goes through the EM?  But taffic from the DMZ
-> External does (as well as external->dmz)?

Right now I have static natting set on the single object for the hosts
in the DMZ.  I have tried setting up two hosts, instead, and doing a
manual NAT, however that didn't work out real well.

Ideas?

Erik Decker
Network Administrator
Town of Normal
(309) 454-9515

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