Disable the Automatic Creation of a Default Network Route (Windows NT)

Registry Guide for Windows
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Registry tweaks, tricks & hacks to optimize, enhance and secure Microsoft Windows.

Disable the Automatic Creation of a Default Network Route (Windows NT)
Category: Home > Security > Network

This tweak controls the default behavior of Windows to add a network route to 0.0.0.0 on multi-homed machines (e.g. proxy or firewall).

Open your registry and the key below.

Create a new DWORD value named 'DontAddDefaultRoute' in the key below.

Set the value to '1' to enable the restriction.


		DontAddDefaultRoute	REG_DWORD	0x00000001 (1)


	HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\{Adapter}\Parameters

Settings:

System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\{Adapter}\
Parameters]
Name: DontAddDefaultRoute
Type: REG_DWORD (DWORD Value)
Value: (0 = disable restriction, 1 = enable restriction)

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last Modified: April 11, 2000

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