[Snort-users] Alert on new IP in use?

Matt Kettler mkettler at ...4108...
Mon Aug 1 14:54:36 EDT 2005


Rich Adamson wrote:
> Looking for a way to monitor a small banking network and generate
> an alert when an unused IP address is observed. The current IP's are
> not consecutive.
> 
> Example: we have 26 static IP addresses assigned to workstations and
> servers. If a 27th (or greater) address appears on the wire, generate
> an alert. (Note: not very interested in watching MAC addresses as some
> of the IP's are behind another layer-3 device.)
> 
> Thoughts?

Arpwatch.




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