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Subject: I-D Action: draft-homburg-dnsop-codcp-00.txt
A New Internet-Draft is available from the on-line Internet-Drafts
directories.
Title : Control Options For DNS Client Proxies
Author : Philip Homburg
Filename : draft-homburg-dnsop-codcp-00.txt
Pages : 20
Date : 2023-01-09
Abstract:
The introduction of many new transport protocols for DNS in recent
years (DoT, DoH, DoQ) significantly increases the complexity of DNS
stub resolvers that want to support these protocols. A practical way
forward is to have a DNS client proxy in the host operating system.
This allows applications to communicate using Do53 and still get the
privacy benefit from using more secure protocols over the internet.
However, such a setup leaves the application with no control over
which transport the proxy uses. This document introduces EDNS(0)
options that allow a stub resolver to request certain transport and
allow the proxy to report capabilities and actual transports that are
available.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-homburg-dnsop-codcp/
There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-homburg-dnsop-codcp-00.html
Internet-Drafts are also available by rsync at
rsync.ietf.org::internet-drafts
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Based on feedback I redesigned the Proxy Control Option. It is now a
collection of TLV sub-options. In addition the flags I used to specify
DNS transports are replaced pairs of transport protocol identifier and
priority. This makes it possible to specify a preference among protocols
but also among upstreams.
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