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Re: [FW-1] How to allow PPTP and IPSEC through to server using HIDE NAT?



Robert, voici un extrait de Chkp ( Solution ID: sk12234 )

1. PPTP with STATIC NAT configurations:

In FireWall-1 NG, PPTP is supported with STATIC NAT whether the PPTP server
or PPTP client is behind the firewall.

2. PPTP with HIDE NAT configurations:

A. PPTP clients behind the FireWall-1 NAT device.

In FireWall-1 version 4.1 this is supported, with the restriction that only
one client is able to connect to a specific server at the same time.

In FireWall-1 NG this configuration is not supported.

B. PPTP server behind the FireWall-1 Hide NAT device.

In this case there is only one routable IP address that is used for both
Hide NAT on an internal network and to accept incoming PPTP connections to
an internal PPTP server (server mapping).

This configuration is not supported in either FireWall-1 4.1 or FireWall-1
NG.

HTH

----------
Simon Desmeules
http://www.digidyne.ca
mailto :[email protected]
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Contact me for you Check Point Training
View my co-authoring project at Syngress
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DigiDyne Inc.
420 Armand-Frappier suite 320
Laval, Quebec
H7V 4B4
Text 225
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----- Original Message -----
From: "Robert Masse" <
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[email protected]
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>
To: <[email protected]>
Sent: Tuesday, July 15, 2003 4:34 PM
Subject: [FW-1] How to allow PPTP and IPSEC through to server using HIDE
NAT?


> Hello
>
> I have several users behind our firewall that need to connect to
> different clients via PPTP.  If the user has static NAT configured (1
> for 1), this is not an issue, the problem is that I cannot create static
> NAT for every single user, we do not have enough IP addresses.
>
> What are my options? According to the Nokia knowledge base:
>
> ---
>
> In FireWall-1 version 4.1 this is supported, with the restriction that
> only one client is able to connect to a specific server at the same
> time.
>
> In FireWall-1 NG this configuration is not supported.
>
> ---
>
> What do you think?  Has anyone been able to do this? We are running the
> most recent Checkpoint (NGAI).
>
> Thanks in advance!
>
> Rob
>
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