From: noreply@goddag.dk   
      
   Hi all you gurues;   
      
   We have a problem getting access to a VPN server (XPs build in simple VPN   
   server) from a wireless hotspot.   
      
   A summay looks like this.   
      
   1. We are using XPs biuld in VPN client which use pptp.   
      
   2. I can login on the server from a fixed ADSL connecting.   
      
   3. From the hotspot the following conversion is seen   
      
       - Connecting to server   
       - Checking username and password   
       - After some time: Error 721 The server did not answer...   
      
   4. From a Ethereal dump I can see:   
      
       - The PC is talking to the server with pptp/ppp   
       - A some point it starts o use a GRE tunnel   
       - From that point is seems that the server cannot communicate with the   
   PC anymore. The PC send several commands:   
           LC Configuration request (7-8 times)   
         to the server - but never get an answer and drops the connecting after   
   a while.   
      
   5. We are doing a NAT actually PAT translation on a cisco router in the   
   network and have an idea that this could be the problem, but we have set it   
   up according to Ciscos recommendation for pptp.   
      
   Some lines from the router configuration:   
      
   access-list 103 deny   udp any any eq 135   
      
   access-list 103 deny   tcp any any eq 135   
      
   access-list 103 deny   udp any any eq netbios-ss   
      
   access-list 103 deny   tcp any any eq 139   
      
   access-list 103 deny   udp any any eq 445   
      
   access-list 103 deny   tcp any any eq 445   
      
   access-list 103 permit ip any any   
      
   access-list 103 permit gre any any   
      
      
   6. Have you seen anything linke this before? Or du you have something we   
   have to look into?   
      
   7. If someone solves the problem he/she will get a special present from   
   Denmark.   
      
   Greetings from Denmark   
      
   Lasse   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)