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By default, Microsoft Windows XP Remote Desktop and Terminal Services use all available network interfaces to listen for Remote Desktop Protocol (RDP) requests. As a security option, you may want to limit this to a specific network interface.
This article describes how to configure the listening interfaces on a Windows XP-based computer.
Method 1: Create a policy to block RDP requests from a specific network interface in Windows XP with Service Pack 2 (SP2)
To create a firewall policy to block RDP requests from a specific network interface in Windows XP SP2, follow these steps:
Click Start, click Run, type firewall.cpl, and then click OK.
On the Advanced tab, click to select the connection for which you want to configure RDP connections under Network Connection Settings, and then click Settings.
On the Services tab, locate Remote Desktop, click the check box to enable or disable the option, and then click OK.
Repeat step 3 for the remaining network connections.
Note These steps can differ from one firewall to another.
Method 2: Manually edit the registry and add registry entries to enable listening for RDP requests
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
To manually edit the registry and add registry entries to enable listening for RDP requests, follow these steps:
Click Start, click Run, type regedit, and then click OK.
Locate and then click the following registry subkey: