I-D Action:draft-barwood-dnsext-fr-resolver-mitigations-02.txt

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	Title           : Resolver side mitigations
	Author(s)       : G. Barwood
	Filename        : draft-barwood-dnsext-fr-resolver-mitigations-02.txt
	Pages           : 11
	Date            : 2008-09-28

Describes mitigations against spoofing attacks on DNS, as follows:

(1) Prepending a random nonce to the question where a referral is 

 probable.

(2) Repeating the query, including techniques for handling 

 non-deterministic responses.

(3) Estimating the entropy available, taking into account 

(a) Observed packets with incorrect IDs.

(b) Records where the owner name does not match the question.

(c) The previous content of the cache.

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