Questions on hardening TCP/IP stack in Win 2003 Standard

I came across this link for hardening the TCP/IP Stack.

http://support.microsoft.com/default...b;en-us;324270

I also have a book on the subject that was put out by Microsoft that talks about hardening the TCP/IP Stack as well. The book goes into a little more detail then the website does though.

My question is, the web link above says to make all the changes in the: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

Yet the book I have says to make the changes in: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services

Now is there any difference between which key I locate the changes? Will the TCP/IP Stack still be hardened with the settings made in either spot in the registry? Or is one of these references out to lunch?

 

 

 

 

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