RE: WS2K3 RAS VPN and Firewall

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: Bob Qin [MSFT] (bobqin_at_online.microsoft.com)
Date: 05/05/04


Date: Wed, 05 May 2004 02:59:32 GMT

Hi David,

Thanks for your posting here.

General speaking, all routers between the remote VPN client and the server
must allow traffic to pass through TCP port 1723 (PPTP) and must support
protocol type 47. Protocol type 47 is the Generic Routing Encapsulation
(GRE) protocol.

For more information, you can refer to the following documents:

VPN tunnels - PPTP protocol packet description and use
http://support.microsoft.com/?id=241252

HOW TO: Configure a c
http://support.microsoft.com/?id=314076

Port Requirements for the Microsoft Windows Server System
http://support.microsoft.com/?id=832017

Virtual Private Networks for Windows Server 2003
http://www.microsoft.com/windowsserver2003/technologies/networking/vpn/defau
lt.mspx

Wish it helps.

Regards,
Bob Qin
Product Support Services
Microsoft Corporation

Get Secure! - www.microsoft.com/security

====================================================
When responding to posts, please "Reply to Group" via your newsreader so
that others may learn and benefit from your issue.
====================================================
This posting is provided "AS IS" with no warranties, and confers no rights.



Relevant Pages

  • Re: VPN setup with static IP. How?
    ... That means the server didn't answer. ... do you have tcp port 1723 forwarded to ... >> on the client machine to use pptp rather than automatic. ...
    (microsoft.public.windows.server.networking)
  • Re: VPN to Linux server behind NAT router from XP Home?
    ... >> A TCP port can also be used, ... > Windows XP box to go through PPTP to my router (which actually means going ... Is the local IP the actual local IP of my server ...
    (comp.os.linux.networking)
  • Re: VPN PPTP access and no GRE packets making it
    ... > It appears that GRE packets are not making it outside of my network; ... > connects to TCP port 1723 (pptp) on the server just fine. ...
    (comp.security.firewalls)
  • Re: VPN Drops SBS2003
    ... - Microsoft Windows 2000 Advanced Server ... A demand-dial Point-to-Point Tunneling Protocol (PPTP) connection between ... does not match the remote server's Demand-Dial interface. ... If the PPTP tunnel is displayed in this view the user ...
    (microsoft.public.isa.vpn)
  • Re: VPN Disconnects
    ... Microsoft Windows 2000 Advanced Server ... A demand-dial Point-to-Point Tunneling Protocol (PPTP) connection between ... does not match the remote server's Demand-Dial interface. ...
    (microsoft.public.isa.vpn)