Re: Re-2: connection to vpn Server (pptp) behind iptables FW

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On Fri, 2004-03-12 at 14:01, Cedric Blancher wrote:
> Le ven 12/03/2004 à 11:34, peter.gehle@xxxxxxxxx a écrit :  
> > > Micro$oft has a 'technote' on this in their technet section on the
> > > website. AFAIR you need to allow protocol 37 to be forwarded between the
> > > two.
> > I have added a rule that forwards the protocol 37, but it still not works?
> 
> PPTP relies on a slightly modified GRE tunnel, which protocol _47_, not
> 37.

Yup, you are correct. My mistake. I found the info at Technet in their
document entitled 'VPN servers and firewall configuration'

> cbr@anduril:~$ grep gre /etc/protocols
> gre     47      GRE             # General Routing Encapsulation
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Raymond Leach <raymondl@xxxxxxxxxxxxxxxxxxxxxx>
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http://www.knowledgefactory.co.za
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