> I think this would be a great tool to be implemented on a firewall
> (obviously Cisco does as well). It's a fairly lightweight program so it
> should not take up much room.

It is quite some nice tool, also the other xSentry ones. It is especially
nice if you can block computers scanning complete ranges and shitlisting
them for a while. (One can also use it to block virus infected
computers..)

Definitely worth a thought.

Adrian