Disable TCP/IP Source Routing (Windows NT 4.0)
Category: Home > Security > Network
Normally, on a computer running Windows NT 4.0, you cannot disable the source routing feature for the TCP/IP protocol. By using this tweak it is possible to disable it.
Open your registry and find the key below.
Create a new DWORD value named 'DisableIPSourceRouting' and set the value to either '1' to disable source routing, or '0' to enable source routing.
Restart Windows for the change to take effect.
Note: You must have Windows NT Service Pack 5 or greater installed for this setting to work.
 |  |  |  |  |
|  | (Default) | REG_SZ | (value not set) | |
|  | DisableIPSourceRouting | REG_DWORD | 0x00000001 (1) | |
 |
| HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters |  |
 |
| Settings: |
System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]
Name: DisableIPSourceRouting
Type: REG_DWORD (DWORD Value)
Value: '0' or '1'
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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: May 14, 2002
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