Aggressive use of NSEC/NSEC3
draft-fujiwara-dnsop-nsec-aggressiveuse-03

Document Type Replaced Internet-Draft (dnsop WG)
Last updated 2016-03-17
Replaced by draft-ietf-dnsop-nsec-aggressiveuse
Stream IETF
Intended RFC status (None)
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Stream WG state Adopted by a WG
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IESG IESG state Replaced by draft-ietf-dnsop-nsec-aggressiveuse
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This Internet-Draft is no longer active.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-fujiwara-dnsop-nsec-aggressiveuse-03.txt

Abstract

While DNS highly depends on cache, its cache usage of non-existence information has been limited to exact matching. This draft proposes the aggressive use of a NSEC/NSEC3 resource record, which is able to express non-existence of a range of names authoritatively. With this proposal, it is expected that shorter latency to many of negative responses as well as some level of mitigation of random sub-domain attacks (referred to as "Water Torture" attacks). It is also expected that non-existent TLD queries to Root DNS servers will decrease.

Authors

Kazunori Fujiwara (fujiwara@jprs.co.jp)
Akira Kato (kato@wide.ad.jp)

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