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Re: distributed nmap?
From: Ripclaw <xRipclaw () gmx net>
Date: Mon, 20 Mar 2000 00:22:46 +0100

hi !

it could be used to keep down the
traffic by just moving the
information from each scanned segment to
the central scanner,
if you have one scanner per segment - in
this case you might
experience a speed increase and less
router load.

also, you might use this to get
different pictures from your target
network, relative to the point from
where you scan.
you could combine this to a larger map
and check where the maps
show differences to find weaknesses in
secondary entrance filter-rules.

you could also use it to scan segments
faster if you don´t care
about traffic and network saturation 
and use multiple interfaces/hosts on
one/multiple segments
if you want data really fast. this would
require some work to
function well, though.

greets,
ripclaw

Lorell Hathcock wrote:

Greetings!

I understand that in version 2.0 of nmap, nmap will run parallel processes
or scans simultaneously.  Has anyone done any work with a nmap scan from a
distributed set of servers?  What are the pros and cons of such an approach?

It seems like a few of the pros would be a faster scan is possible of
larger networks.  Also, it seems a scan could be done more "stealthily" if
a broad set of servers were brought to bear on it.  It would look like a
decoy attack when in fact it wasn't.

Some of the cons are that it could be difficult to distribute commands to
each of the member servers and to recombine the results of the scan.

Any thoughts?

Thanks!

Lorell Hathcock

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