From: Syv Ritch (syv911networks.com)
Date: Tue Oct 11 2005 - 16:06:49 CDT

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Jeff Brossette wrote:
> All,
>
> I am looking for a port scanning tool (software or hardware, open
> source or commercial) that I can configure to run on a regularly
> scheduled basis, say
> once a week or once a month, for around 500 internal servers and
> workstations (Unix/Linux, Windows and Novell).
>
> The goal is to produce a "diff" report that will identify any new
> ports that have been opened on any of the servers or workstations from
> the previous scan.
>
> This would need to be a completely automatic process that would email
> out the results after each scan cycle.
>
> Are there any products that can perform this task?
>

The best [IMHO] is nmap, you can save the output, use cron to
schedule it at different times, then use diff to view the
changes. That way, you can create a history.

If nmap is too complicated, use nmapfe [nmap front end] to
generate the command line and plug in cron.

Products like GFI scanner, create beautiful web pages to show the
customer, "but nmap is still the king."

--
Thanks
http://www.911networks.com
When the network has to work Cisco/Microsoft

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