Resolver side mitigations
draft-barwood-dnsext-fr-resolver-mitigations-08

Document Type Expired Internet-Draft (individual)
Last updated 2008-10-26
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-barwood-dnsext-fr-resolver-mitigations-08.txt

Abstract

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) The content of the cache.

Authors

George Barwood (george.barwood@blueyonder.co.uk)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)