I am not if I understand all the questions.  Is this for an implementation
of a recursive (caching) name server?

----- Original Message ----- 
From: "masataka ohta" <[EMAIL PROTECTED]>

> Does the following work to prevent DNS cache contamination
>
> 1) have no public access on shared media from cache to external
> network (to prevent MITM)
>
Agree with bert.  As long as you trust the links.

> 2) have separate cache for glue

Could the server mark glue RRsets in cache, then trust them when they can be
confirmed through subsequent queries?

>
> 3) cache an answer to a query but activate it only after a
> compatible answer is returned for latter query (to protect
> against ID space attack)
>
A later query initiated by the server, or from another client?  I think I do
not understand this.

Scott

> ?
>
> Masataka Ohta
>
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