Hi,
 are you able to try to accept icmp on both sides?
 pER icmp the MTU size should handled out automaticly.
thanks for an info,
frank weichert

Jai Ketteridge wrote:
> I too have experienced this... I couldnt quite pick what was happening but
> Ive never had issue with Site to Site VPN RDP but when i PPTP in I do get
> the black screen issue.
> 
> I shall follow this topic with interest since i will primarily be supporting
> clients using PPTP and RDP
> 
> Thanks,
> Jai
> 
> -----Original Message-----
> From: Olov Nilzén [mailto:olov dot nilzen at gmail dot com]
> Sent: Tuesday, 3 October 2006 5:52 PM
> To: m0n0wall at lists dot m0n0 dot ch
> Subject: [m0n0wall] PPTP MTU
> 
> 
> I have a problem with remote desktop-connections over PPTP (all screens are
> just black), after some Googling I've come up to that the problem is that
> the MTU is to high, is it possible to change the MTU for PPTP-connections?
> 
> Regards
> Olov Nilzén
> 
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