From: Antony Stone <Antony@Soft-Solutions.co.uk>
To: netfilter@lists.netfilter.org
Subject: Re: PPTP port forwarding
Date: Thu, 19 Feb 2004 12:04:57 +0000 [thread overview]
Message-ID: <200402191204.57391.Antony@Soft-Solutions.co.uk> (raw)
In-Reply-To: <4034A3CF.20307@able.be>
On Thursday 19 February 2004 11:53 am, Wim Ceulemans wrote:
> Hi
>
> We have noticed a problem with PPTP forwarding not working as it should.
>
> We have a system on kernel 2.4.24 with latest pom and iptables 1.2.9.
> There is a port forwarding PPTP to a windows 2000 server behind the
> firewall.
>
> We noticed that when someone connects with PPTP the connection is closed
> after 3 to 4 minutes. This problem only occurs if there is a router in
> nat mode between the firewall and the internet. If the public ip is on
> the firewall then this problem does not occur.
You cannot operate PPTP across a NATted connection without a special helper
module (hence your need for pom as stated above).
If the other nat-mode router does not have a suitable helper for PPTP then you
can't use this combination.
Regards,
Antony.
--
Abandon hope, all ye who enter here.
You'll feel much better about things once you do.
Please reply to the list;
please don't CC me.
next prev parent reply other threads:[~2004-02-19 12:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-19 11:53 PPTP port forwarding Wim Ceulemans
2004-02-19 12:04 ` Antony Stone [this message]
2004-02-19 13:32 ` Wim Ceulemans
2004-02-19 13:43 ` Antony Stone
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