RE: NMAP Switches, -sS, -sT, etc.

From: Arley Barros Leal (arley.leal@sonae.com)
Date: Fri Mar 24 2006 - 05:11:44 EST

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My 2 cents..

(-sT) Connect scan method performs a full tcp handshake (-sS) SYN keeps the
connection on a embryonic state, w/o performing the last ACK on the tcp
handshake sequence, thus performing faster and actually being stealthier
than a -sT connect scan. Some IDSs will trigger far less events on a SYN
scan than on a Connect one.

-sN, -sF and -SX scans do not work on windows boxes as they will ALWAYS
respond for those three scans with a RST, no matter if the service is open
or closed.

Cheers,
Arley Silveira.

-----Original Message-----
From: Doug Fox [mailto:dfox168@hotmail.com]
Sent: quinta-feira, 23 de Março de 2006 15:07
To: pen-test@securityfocus.com
Subject: NMAP Switches, -sS, -sT, etc.

If I may, I like to poll the list what are your favorite switches when using
NMAP to conduct "intensive/comprehensive" security testing.

I have been using

NMAP -vv -A -sS -O -p1-65535 -P0 -oX target.xml www.xxx.yyy.zzz.

I find I got more information using -sS than -sT and requires short time.

Any suggestions/comments are appreciated.

Thanks,

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