Disable the Ability to Remotely Shutdown the Computer Browser Service (Windows NT/2000/XP)

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

Disable the Ability to Remotely Shutdown the Computer Browser Service (Windows NT/2000/XP)
Category: Home > Security > Network

This tweak can be easily applied using WinGuides Tweak Manager.
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It is possible for a malicious user to shut down a computer browser, or all computer browsers, on the same subnet. If all of the computers on the same subnet are shut down, they can then declare their own computer the new master browser.

Firstly download and install the patch below for your operating system:

Windows 2000

Windows NT 4.0 (Intel)

Windows NT 4.0 (Alpha)

Open you registry and find the key below.

Create a new DWORD value called "RefuseReset" and set it to "1" to ignore the ResetBrowser frames request.

Restart Windows for the change to take effect.


(Default)	REG_SZ	(value not set)
RefuseReset	REG_DWORD	0x00000001 (1)


	HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MrxSmb\Parameters

Settings:

System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MrxSmb\Parameters]
Name: RefuseReset
Type: REG_DWORD (DWORD Value)
Value: (0 = normal, 1 = refuse reset)

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 3, 2002

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