Blocking International DNS

Dobbins, Roland rdobbins at arbor.net
Mon Nov 22 18:21:54 CST 2010


On Nov 22, 2010, at 10:48 PM, Joe Abley wrote:

> I guess if the manner of the interception was to send back SERVFAIL to DNS clients whose queries were (in some sense) objectionable, the result would be that the clients were not able to resolve the (in some sense) bad names. 

Quantifying the negative performance impact of SERVFAIL on various stub resolvers might provide some useful data points in any 'official' discussions which arise on this topic.

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Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>

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