Re: port order in 5.00-2

[Fyodor <fyodor () insecure org>]

On Wed, Nov 18, 2009 at 12:17:07PM -0200, Miguel Rozsas wrote:
> Hi,
>
> I am using nmap 5.00-2 in Ubuntu and 4.75 in opensuse.
> Both versions doesn't respect the order of ports using the -p flag,
> even using the -r (don't randomize) flag.

Hi Miguel.  With -r, the ports are scanned in a sorted order (from
lowest to highest) rather than randomized.  I've updated our
documentation in SVN to make this more clear.

> This could be a problem when using nmap to trigger firewall actions
> that are based on the strict order of hits, i.e. port knocking.

You could make a personal NSE script for this, or use our (alpha
stage) Nping utility (http://nmap.org/nping/).

Cheers,
-F
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