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Re: hi there !!!
From: <cyril.perrault () fr pwcglobal com>
Date: Thu, 03 Jan 2002 16:03:43 +0100


i am a new member...and i want to ask u if there is a
protection against nmap ...i mean like if someone is
scaning me with nmap ..is there a way to make my
server invisible to nmap ?

Don't worry, you can do many things to drive nmap crazy...

* For example, want to turn your computer into an Apple Color LaserWriter ?
Programs like KOSF or IP Personality will mislead nmap fingerprinting.
* Various other tools exist, you can take a look at a short article
describing a small program called antimap which can respond (in X% of the
cases) to SYN on closed ports with SYN|ACK (for example):

http://www.hsc.fr/ressources/breves/antimap.html
Sorry, it's in french but that should be no problem since it's principaly
composed of technical stuff.


But after all, if you've got something to hide to port scans maybe it's
that you should first review your security infrastructure...

BTW, I'm not sure you have posted in the appropriate mailing list, you
should have tried nmap-hackers (moderated).

- Cyril



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