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Re: [FW-1] CheckPoint NG and Address Translation Rules



How did you have your manual rule in 4.1?  Did you use a network object,
i.e. something to represent (10.1.0.0/16), or a group?

-----Original Message-----
From: Matthew Melbourne [mailto:[email protected]]
Sent: Tuesday, September 03, 2002 2:00 PM
To: [email protected]
Subject: [FW-1] CheckPoint NG and Address Translation Rules


We have recently upgraded to CheckPoint NG, from version 4.1. With 4.1, we
had a manual address translation rule at the beginning of the Address
Translation rulebase which ensured that NAT was disabled between
'Internal' and 'DMZ' networks, i.e.

Original:source        = internal
Original:destination   = DMZ
Original:service       = any

Translated:source      = =Original
Translated:destination = =Original
Translated:service     = =Original

(and the same for Original:source=DMZ; Original:destination=internal)

During the upgrade to NG, these network objects and rules were implemented
in exactly the same way within the NG environment. However, it seems that
the network objects are not behaving in the same way as they did with 4.1
(the internal network hide address, as defined in the network object, is
used for traffic flowing from internal>DMZ).

It appears that the individual hosts must be entered manually into the
address translation rulebase to ensure that address translation does not
take place for traffic flowing between those hosts on the internal and DMZ
networks. It seems that network objects are not valid in the same way as
they were in 4.1.

Has anyone else enountered this, or a similar situation?

Cheers,

Matt

--
Matthew Melbourne

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