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RE: Nmap-based mapping/monitoring tool
From: Craig Humphrey <Craig.Humphrey () ChapmanTripp com>
Date: Wed, 10 Mar 2004 08:48:13 +1300

Hi Jake,

you may also want to look at ntop, which monitors a network through sniffing
(rather than active scanning), but integrates nmap to probe hosts.

There are a few commercial tools out there that do this kind of thing (or
similar, or sub/supersets).
I've used What's Up Gold quite a bit.
Just did a little google and https://freemap.qualys.com/ looks interesting,
and being browser based, there's a certain amount of freedom for the client

Have fun and keep us in the loop.


-----Original Message-----
From: Jake Kallman [mailto:jkallman () unr nevada edu]
Sent: Tuesday, March 09, 2004 9:04 PM
To: nmap-dev () insecure org
Subject: Nmap-based mapping/monitoring tool

I am developing a network monitoring and mapping tool based 
around nmap,
which will provide a graphical representation of a network 
topology and
maintain a database of information about computers in that 
network.  In
essence, it will take the output of namp, run at scheduled 
intervals, and
compare that data against data from previous runs to try and flag
potential security and infrastructure problems.

The idea, at a high level is fairly simple, and in fact is a 
little more
complicated than it needs to be since I'm doing this as a project to
complete my undergraduate degree in CS.  I'm writing a driver program,
which will sit on a network server somewhere, and will run nmap at
scheduled intervals on all computers in the network (which 
I'm going to
try and optimize somewhat by allowing for multiple nmapping 
servers in the
network so as to distribute the work as much as possible).  There will
also be a client application which will allow a user to 
access this data
remotely (ideally I'm trying to create this client application to
allow users to log into the server from multiple platforms, 
like PDAs and
cell phones, which might not be currently available, but when 
I talked to
some network engineers in my area they said that it would be a great
feature). The client will access the data from the server program, and
create a graphical map of the network, showing any potential problem
areas. Ideally, I want to be able to flag network slowdowns 
and outages,
newly enabled/disabled ports on machines, newly connected 
machines (with
an eye toward being able to watch for unauthorized wireless 
and things of that nature.

My question is whether or not this seems like a usable idea?  
If not, then
what seems unfeasible about the design?

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