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.
--
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