Re: nmap 4.01 on xp

[Fyodor <fyodor () insecure org>]

On Tue, Feb 28, 2006 at 03:47:10PM -0500, R M wrote:
> hi,
>
> I am running nmap 4.01 on an xp service pack 2 machine.
>
> when I run 'nmap -PS 10.0.0.2', isn't it only supposed to send an TCP
> packet with SYN set to port 80?
>  And if I run 'nmap -PS22 10.0.0.2', 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.

Cheers,
-F


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