Subject: I-D Action:draft-barwood-dnsext-fr-resolver-mitigations-03.txt

From: [email-masked]
Date: Sun, 12 Oct 2008 03:15:01 -0700 (PDT)

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title           : Resolver side mitigations
	Author(s)       : G. Barwood
	Filename        : draft-barwood-dnsext-fr-resolver-mitigations-03.txt
	Pages           : 11
	Date            : 2008-10-12

Describes mitigations against spoofing attacks on DNS, including:

(1) Repeating the query, including techniques for handling 

 non-deterministic responses.

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

 probable.

(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.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-barwood-dnsext-fr-resolver-mitigations-03.txt

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