[KLUG Members] stop unknown static IPs on lan
Bruce Smith
bruce at armintl.com
Tue Mar 7 23:56:14 EST 2006
>> Is there a way to foil attempts of employees to bring in a new computers
>> or laptops and plug into our corporate lan. My DHCP server is set to
>> only give out IPs to known ethers, but I've stumbled upon a static IP
>> when I tried to use it and get conflict errors.
>>
>
> Get a switch that supports EAP/802.1x and devices will have to
> authenticate onto the wire. Managed switches also usually let you
> provide a list of MACs.
>
'arpwatch' is also a good package that will report unauthorized IP's.
- BS
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