Re: VPN Gateway And Nat

[Christopher Lee <clee () myhome homeip net>]

Or, create a special NAT rule on your firewall (where the traffic is 
originating from) and translate all traffics to the actual ip address of the 
firewall to the NATed IP on the router instead...

Obviously, this only works if the VPN traffics are only from certain networks...

Christopher Lee 
PGP Fingerprint: 15C1 65D0 E051 C64D 5246  89FC 5AE3 DE2C 8F1E 89A7 
Personal Web Page: http://complexity.webhop.net


Quoting Fredrik Lindström <fredrik () dunenets net>:

> Hi,
>
> I guess you're using Check Point products (VPN-1 Pro/Net) since you say you
> use SecuRemote.
>
> The configuration you describe is not supported in a Check Point
> enviroment,
> the VPN Gateway must always have a public IP address.
>
> Regards
>
> Fredrik
>
>
> > From: LE CORVIC Y InfoEdpEtcDep <Yoann.Le-Corvic () socgen com>
> > To: "'firewall-wizards () honor icsalabs com'"
> <firewall-wizards () honor icsalabs com>
> > Date: Fri, 21 Feb 2003 16:44:47 +0100
> > Subject: [fw-wiz] VPN Gateway And Nat
> >
> > Hi All,
> >
> > I have a slight problem with a VPN configuration, and wanted to know if
> you
> > all can help. Basically, here is the situation :
> >
> > PROTECTED_NET-------VPNGATEWAY --------ROUTER-----ClientSecuremote
> >
> > The public IP Adress of the VPN GATEWAY is natted at the ROUTER, so that
> the
> > ClientSecuremote doesn't access the real IP Adress of the VPNGATEWAY, but
> > one on the ROUTER.
> >
> > The intiation sequence works, and the authentication as well, be when the
> > network topology is downloaded, no access is possible on servers of the
> > PROTECTED_NET.
> >
> > I suspect that after topology download, the real IP Adress of the gateway
> is
> > given to ClientSecuremote, which uses it for the remaining of the
> > communication.
> >
> > Is there a way to go around that problem, or is it a lost cause... ?
> >
> > Thanks for your help.
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