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Re: nmap 4.01 on xp
From: Fyodor <fyodor () insecure org>
Date: Sun, 5 Mar 2006 20:33:01 -0800

On Tue, Feb 28, 2006 at 03:47:10PM -0500, R M wrote:

I am running nmap 4.01 on an xp service pack 2 machine.

when I run 'nmap -PS', isn't it only supposed to send an TCP
packet with SYN set to port 80?
 And if I run 'nmap -PS22', it should only send the same to
port 22 only, correct?

The -PS option only changes how Nmap does host discovery.  It will
still (by default) port scan all the machines that port discovery
determines is up.  You can cause Nmap to _only_ do host discovery by
adding the -sP option.  I have updated the man page at
http://www.insecure.org/nmap/man/man-host-discovery.html to make this
more clear.


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