Nmap Announce mailing list archives

Re: OS Detection Question


From: Saint skullY the Dazed <skully () straw drpepper org>
Date: Wed, 3 May 2000 19:58:40 +0000

There are patches to do this. My question is *WHY*. Why do you want to
mask your OS? It will provide you no extra protection. If someone wants
to get into your machine, having the nmap -O show up with a different OS
or not matching an OS is not going to fool them for long. Why not instead
apply your time and effort into actually securing the box, instead of
just obscuring it. Security through obscurity is not an effective security
measure (For long). 

At the very least, close all ports you're not using, check to see if anything
you are running has any known vunerabilities, and possibly even stick a
firewall box between the machine and the hostile network.

-skullY

On Wed, May 03, 2000 at 07:21:17PM -0400, John Turner wrote:
I have searched the net looking for a definitive answer to this question but have come up dry.

QUESTION:
Is there a way to completely fool (or block) OS detection from scanners (like nmap, queso, etc.) using the Linux OS? 
What about Windoze?

Any insight would be greatly appreciated.

Regards,

John


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