On Fri, 2001-09-21 at 07:49, Imad wrote:
> Hi everyone,
> does anyone know of any kind of software that detects unauthorised
> additional hosts placed on the network (for instance by a user ) or detects
> the addition of desktop modems onto pc's (and thereby enabling holes in the
> network security). ?
You can keep track of the MAC addresses on your network, and hunt down
any new ones. There's a utility called 'arpwatch' that can help, or you
can roll your own the way I did, dumping the arp tables on all your
routers, adding any new ones to a database, and notifying you of any
other ones.
Tim
