Cache poisoning

[Pascal Hambourg]

Hello,

Jeff Lightner a écrit :
> Right it has hints for root servers.   OK so they are caching name
> servers in addition to being master/slaves if I read this correctly?

Maybe, maybe not. It depends on the recursion setup.

> In that case will the recursion setup mentioned prevent the poisoning?

No. It would only prevent external users from doing recursive queries 
which could cause cache poisoning. But it would not prevent internal 
users from doing so, nor external users from retrieving poisoned data 
from the cache.