From: Emilio Valente (evalente@sdsc.edu)
Date: Sun Jun 04 2006 - 01:08:43 EDT
Try enabling DAI (Dynamic Arp Inspection) from a
Cisco device. It is turned OFF by default.
At 6:00 PM +0200 6/3/06, Cedric Blancher wrote:
>Le jeudi 01 juin 2006 à 08:14 +0000, P. Entester a écrit :
>> If i recommend our customers to bind the MAC addresses of mission critical
>> servers' network interfaces to their respective ports on the routers and
>> switches, does that migitate most of the threat or am i missing something
>> important?
>
>No, that does not mitigate the issue. What you're missing is that ARP
>cache poisoning does not change host MAC address, but the association
>between a MAC address and an IP address in ARP cache.
>
>In addition to pointers that were already given, you can try this one
>for ARP cache poisoning understanding:
>
> http://sid.rstack.org/arp-sk/
>
>One other mitigation technic is static ARP cache entries, but it can
>become painful to maintain quite fast as network grows.
>
>
>--
>http://sid.rstack.org/
>PGP KeyID: 157E98EE FingerPrint: FA62226DA9E72FA8AECAA240008B480E157E98EE
>>> Hi! I'm your friendly neighbourhood signature virus.
>>> Copy me to your signature file and help me spread!
>
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