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RE: Discovering network topology
From: "David Rosenhan" <drosenhan () tvg com>
Date: Thu, 15 Feb 2007 09:06:56 -0700

Solar Winds has some nice tools for this when it comes to discovery...
however I have found that just about any of the tools out there that do
this have one flaw or another.  You just need to try a few out that
people mention here and see which one you like best.

Most of them have evaluation options.

David R

-----Original Message-----
From: listbounce () securityfocus com [mailto:listbounce () securityfocus com]
On Behalf Of Jeremy
Sent: Thursday, February 15, 2007 1:33 AM
To: security-basics () securityfocus com
Subject: Discovering network topology

Hi list,

   I was wondering if there were special ways to discover networks 
topologies / mapping networks.  Are there particular tools or methods I 
should be aware of ?  The few tools I tried only gave me approximative 
results.  However I think nmap + the standard unix tools can do a good
part 
of the job.

   Moreover, what are the differences between discovering an
organisation's 
network from the inside, and from the outside ?
I mean, what are the best practices to discover network equipments,
subnets, 
VPNs, etc?  I know that traceroute can be a good starting point, but are

there some other tools and techniques I should know ?

Regards,

-- 
Jeremy


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