[leaf-wisp] PPTP pass-through problem

Hi,
i have some problem with pptp pass through a wisp-dist router.
When i try to connect to a linux POPTOP server, it works just fine (NAT is
activate on the wisp router). But when i try to connect to a Windows Server
with the same client (a windows 2000 workstation) through the wisp router
(216.113.116.2), i've got the following error using tcpdump :

icmp: 216.113.116.2 protocol 47 unreachable [tos 0xc0]

Here is the module i load in wisp firewall :

ip_conntrack_proto_gre
ip_conntrack_pptp
ip_nat_proto_gre
ip_nat_pptp

All my firewall policies are set to ACCEPT in all tables and chains.

I'm using WISP 1.3.1p24. Is there a patch that i'm missing or maybe i'm
missing a module. Anyway is it work for someone or do someone have the same
problem resolved. I google a much on that subject an the only answer i found
is change the firewall distro or change to IPSEC :(

Thanks for your help,

Michael PLourde
Digicom Technologies Inc.


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