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By Aizen on Wed, 24 Oct 2012 14:28:04 GMT
Below you will find detailed information on ports used for VPN pass through.

If RRAS based VPN server is behind a firewall (i.e. a firewall is placed between Internet and RRAS server), then following ports need to be opened (bidirectional) on this firewall to allow VPN traffic to pass through: -

For PPTP: IP Protocol=TCP, TCP Port number=1723   <- Used by PPTP control path IP Protocol=GRE (value 47)   <- Used by PPTP data path For L2TP: IP Protocol Type=UDP, UDP Port Number=500    <- Used by IKEv1 (IPSec control path) IP Protocol Type=UDP, UDP Port Number=4500   <- Used by IKEv1 (IPSec control path) IP Protocol Type=ESP (value 50)   <- Used by IPSec data path For SSTP: IP Protocol=TCP, TCP Port number=443   <- Used by SSTP control and data path For IKEv2: IP Protocol Type=UDP, UDP Port Number=500    <- Used by IKEv2 (IPSec control path) IP Protocol...
By Aizen on Fri, 20 Jul 2012 15:32:51 GMT
In this scenario I will take you through the simple process of joining a Windows PC or Windows Server 2008 R2 in Site B to an existing Forest / Domain controller in Site A over an established router-to-router IPsec VPN connection.
By Aizen on Mon, 14 May 2012 19:11:53 GMT
This guide will take you through setting up a VPN Connection in Windows XP step by step. Keep in mind that you will need to have your own VPN credentials - this is usually provided by your Systems Administrator or I.T Manager. Read on to discover how easy it is...
By Aizen on Thu, 19 Jan 2012 11:08:44 GMT
A Virtual Private Network Connection otherwise known as a VPN connection is a secure and easy way to create a secure Point-to-Point connection in order to access domain specific network resources. Windows 7 comes pre-loaded with the ability to connect to a VPN gateway with encryption. Read on for a step by step guide in creating a VPN connection to an existing VPN Gateway.
By Aizen on Sun, 15 Jan 2012 12:11:14 GMT
Error 812 may be displayed when attempting to connect to a Windows VPN Server. This error indicates that the attempt to establish a VPN connection was rejected by the server. Read on for a simple fix.

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