Penetration Testing: Re: Comprehensive firewall test using Nmap?

[Bill Weiss <houdini+pen-test () clanspum net>]

Gabriele Brosulo(brosulo () edisoft net)@Thu, Aug 21, 2008 at 11:08:02AM +0200:
> On Thursday 21 August 2008 09:00:02 Alexander Sandstr?m Krantz A wrote:
> > Is it possible to automatically alter the source port when using Nmap to
> > test a firewall?
> Apparently it's not possible. I tryed this:
>
> nmap -sS -P0 -g 2000-2010 127.0.0.1
>
> but all packet comes from port 2000. Does anybody know a workaround? The only 
> way I thinked about is to use a script to randomize source port on a dest 
> port base, but I think it will be not efficient..
Hmm...

$ man nmap | grep -- -g
             -g/--source-port <portnum>: Use given port number

That doesn't look like it takes a range.

-- 
Bill Weiss

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