Re: VPN Ports
From: Robert L [MS-MVP] (noreply_at_hotmail.com)
Date: 05/13/04
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Date: Thu, 13 May 2004 10:46:24 -0500
quoted form http://www.ChicagoTech.net
Which ports need to be opened for running VPN
A: PPTP VPN uses TCP Port 1723, IP Protocol 47 (GRE); L2TP: UDP Port 1701;
IPSec: Pass IP protocol 50 and 51. Note: 47 is a protocol number and not
TCP port. The protocol name is GRE. It'll make a big difference when
configuring your firewall or router.
-- For more and other information, go to http://www.ChicagoTech.net Don't send e-mail or reply to me except you need consulting services. Posting on MS newsgroup will benefit all readers and you may get more help. Robert Lin, MS-MVP, MCSE & CNE Networking, Internet, Routing, VPN, Anti-Virus, Tips & Troubleshooting on http://www.ChicagoTech.net This posting is provided "AS IS" with no warranties. "Steve" <Steve@=No=Spam.org> wrote in message news:eONSEmOOEHA.2972@TK2MSFTNGP10.phx.gbl... > Hi, > > Which ports do I need to open in my router's Port Address Table to allow a > VPN connection to be set up? > > Thanks > Steve > >
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