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RFC 7901
Title: CHAIN Query Requests in DNS
Author: P. Wouters
Status: Experimental
Stream: IETF
Date: June 2016
Mailbox: [email protected]
Pages: 16
Characters: 35252
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-dnsop-edns-chain-query-07.txt
URL: https://www.rfc-editor.org/info/rfc7901
DOI: http://dx.doi.org/10.17487/RFC7901
This document defines an EDNS0 extension that can be used by a
security-aware validating resolver configured to use a forwarding
resolver to send a single query, requesting a complete validation
path along with the regular query answer. The reduction in queries
potentially lowers the latency and reduces the need to send multiple
queries at once. This extension mandates the use of source-IP-
verified transport such as TCP or UDP with EDNS-COOKIE, so it cannot
be abused in amplification attacks.
This document is a product of the Domain Name System Operations Working Group
of the IETF.
EXPERIMENTAL: This memo defines an Experimental Protocol for the
Internet community. It does not specify an Internet standard of any
kind. Discussion and suggestions for improvement are requested.
Distribution of this memo is unlimited.
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