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From: Ray Leach <raymondl@knowledgefactory.co.za>
To: Netfilter Mailing List <netfilter@lists.netfilter.org>
Subject: Re: Re-2: connection to vpn Server (pptp) behind iptables FW
Date: Fri, 12 Mar 2004 14:20:26 +0200	[thread overview]
Message-ID: <1079094025.15566.90.camel@raylinux.internal> (raw)
In-Reply-To: <1079092896.2722.17.camel@anduril.intranet.cartel-securite.net>

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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@sbgit.com 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
-- 
--
Raymond Leach <raymondl@knowledgefactory.co.za>
Network Support Specialist
http://www.knowledgefactory.co.za
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      reply	other threads:[~2004-03-12 12:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-12 10:34 Re-2: connection to vpn Server (pptp) behind iptables FW peter.gehle
2004-03-12 10:50 ` Antony Stone
2004-03-12 11:02 ` Ray Leach
2004-03-12 12:01 ` Cedric Blancher
2004-03-12 12:20   ` Ray Leach [this message]

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