From: Bojan Zdrnja (bojan.zdrnja@gmail.com)
Date: Sun Mar 12 2006 - 17:05:09 EST
Mohamed,
On 3/12/06, Mohamed Abdel Kader <mak.pen@gmail.com> wrote:
> Hello pen-testers,
>
> I was wondering what are the required changes to the TCP/IP stack to make
> nmap report the OS as Linux instead of Windows. A simple example would be to
> changing the TTL value from the default windows 128 to 64 through the
> registry.
It's not that simple. Nmap will do multiple tests on the machine.
Find the file nmap-os-fingerprints on your system - it contains
description of test results that match every OS nmap can guess. What
you have to do is make your Linux machine give back results so they
match with some other system.
I also suggest reading this:
http://www.insecure.org/nmap/nmap-fingerprinting-article.html
Bojan
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