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[FW-1] VPN to firewall behind NAT



Howdy,

quick question: is it possible to set up a VPN using Checkpoint
VPN-1 NG (FP1) with a firewall that is behind a router doing NAT?
i.o.w:

    fw (e.g. 1.2.3.4) <--> (e.g. 5.6.7.8) NAT router (e.g. 10.0.0.1) <--> fw (e.g. 10.0.0.2)

Is this possible using IKE and IPsec? I vaguely remember IPsec uses
the ip-address of the firewall for some hashing so this will
probably get messed up when using NAT right?

Thanks in advance,

Nico

---------------------------------------------------------
 "It has been said that there are only two businesses that
  refer to customers as users: illegal drug trade and
               the computer industry."
---------------------------------------------------------
Nico De Ranter
Sony Service Center (SDCE/VPE-B)
Sint Stevens Woluwestraat 55 (Rue de Woluwe-Saint-Etienne)
1130 Brussel (Bruxelles), Belgium, Europe, Earth
Telephone: +32 2 724 86 41 Telefax: +32 2 726 26 86
e-mail: [email protected]

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