Firewall-1

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

Subject: Re: [FW-1] NATting, ojbects and DMZ's
From: Roger P Herr <rherr AT INSTRUCTORS DOT NET>
To: FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM
Date: Thu, 29 Dec 2005 14:14:14 -0600
create a manual no NAT rule.  that would be

Original Packet
Source Address - Internal
Destination Address - DMZ
Translated Packet
Source Address -Original
Destination Address - Original

Roger Herr

WhyNot? Consulting Services
24165 IH 10 West Suite 217-183
San Antonio, Texas 78257
210-860-3990
Some men see things as they are and say why?
I dream things that never were and say "Why Not?"
                                               -Robert F. Kennedy
----- Original Message ----- From: "Erik Decker" <edecker AT NORMAL DOT ORG>
To: <FW-1-MAILINGLIST AT AMADEUS.US.CHECKPOINT DOT COM>
Sent: Thursday, December 29, 2005 11:20 AM
Subject: [FW-1] NATting, ojbects and DMZ's


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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