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RFC 8094
Title: DNS over Datagram Transport Layer
Security (DTLS)
Author: T. Reddy, D. Wing,
P. Patil
Status: Experimental
Stream: IETF
Date: February 2017
Mailbox: [email protected],
[email protected],
[email protected]
Pages: 13
Characters: 31130
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-dprive-dnsodtls-15.txt
URL: https://www.rfc-editor.org/info/rfc8094
DOI: 10.17487/RFC8094
DNS queries and responses are visible to network elements on the path
between the DNS client and its server. These queries and responses
can contain privacy-sensitive information, which is valuable to
protect.
This document proposes the use of Datagram Transport Layer Security
(DTLS) for DNS, to protect against passive listeners and certain
active attacks. As latency is critical for DNS, this proposal also
discusses mechanisms to reduce DTLS round trips and reduce the DTLS
handshake size. The proposed mechanism runs over port 853.
This document is a product of the DNS PRIVate Exchange 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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