[dns-operations] Should medium-sized companies run their own recursive resolver?

Paul Ferguson fergdawgster at mykolab.com
Wed Oct 16 20:58:31 UTC 2013


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On 10/16/2013 1:44 PM, James Cloos wrote:

 >>>>>> "PH" == Paul Hoffman<paul.hoffman at vpnc.org>  writes:
 > PH> Should that company run its own recursive resolver for its
 > PH> employees, or should it continue to rely on its ISP?
 >
 > *Every*  site should run its own (preferably verifying) resolver.

I have no problem with that as long as they are not open resolvers -- we
already have somewhere in the neighborhood of 28-30 million of them that
pose a direct threat to the health & wellbeing of the Internet at-large
because they can be used to facilitate DNS amplification attacks.

$.02,

- - ferg

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-- 
Paul Ferguson
Vice President, Threat Intelligence
Internet Identity, Tacoma, Washington  USA
IID --> "Connect and Collaborate" --> www.internetidentity.com



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