Skip to main content

Concluded WG DNS PRIVate Exchange (dprive)

Note: The data for concluded WGs is occasionally incorrect.

WG Name DNS PRIVate Exchange
Acronym dprive
Area Internet Area (int)
State Concluded
Charter charter-ietf-dprive-02 Approved
Document dependencies
Additional resources Jabber Logs
Wiki
Zulip stream
github
Personnel Chairs Brian Haberman, Tim Wicinski
Area Director Éric Vyncke
Mailing list Address dns-privacy@ietf.org
To subscribe https://www.ietf.org/mailman/listinfo/dns-privacy
Archive https://mailarchive.ietf.org/arch/browse/dns-privacy/

Closing note for Working Group

The WG was created in 2014 while Brian Haberman was the responsible AD, and now Brian is the WG co-chair with Tim Wicinski who has been the co-chair since day 0 ! Terry Manderson was also the responsible AD for some years and Warren Kumari was the first co-chair with Tim. 11 RFCs have been published by the WG starting with FC 7626 “DNS Privacy Considerations” (2015) to the final one RFC 9539 “Unilateral Opportunistic Deployment of Encrypted Recursive-to-Authoritative DNS” (2024). So, in concertation with the chairs (Brian Haberman and Tim Wicinski), I have requested the closing of this WG. The mailing list will be kept running for several years as usual. As the responsible AD, let me thank you all for the work done: the Internet is more secure now with privacy for DNS. Regards -éric

Final Charter for Working Group

The DNS PRIVate Exchange (DPRIVE) Working Group develops mechanisms
to provide confidentiality to DNS transactions in order to address
concerns surrounding pervasive monitoring (RFC 7258).

The set of DNS requests that an individual makes can provide an
attacker with a large amount of information about that individual.
DPRIVE aims to deprive the attacker of this information (The IETF
defines pervasive monitoring as an attack [RFC7258]).

The initial focus of this Working Group was the development of
mechanisms that provide confidentiality and authentication between
DNS Clients and Iterative Resolvers (published as RFCs 7858 and
8094). With proposed standard solutions for the client-to-iterative
resolvers published, the working group turns its attention to the
development of documents focused on: 1) providing confidentiality
to DNS transactions between Iterative Resolvers and Authoritative
Servers, 2) measuring the efficacy in preserving privacy in the
face pervasive monitoring attacks, and 3) defining operational,
policy, and security considerations for DNS operators offering
DNS privacy services. Some of the results of this working group
may be experimental.There are numerous aspects that differ between
DNS exchanges with an iterative resolver and exchanges involving
DNS root/authoritative servers. The working group will work with
DNS operators and developers (via the DNSOP WG) to ensure that
proposed solutions address key requirements.

DPRIVE is chartered to work on mechanisms that add confidentiality
to the DNS. While it may be tempting to solve other DNS issues while
adding confidentiality, DPRIVE is not the working group to do this.
DPRIVE will not work on any integrity-only mechanisms. Examples
of the sorts of risks that DPRIVE will address can be found in [RFC
7626], and include both passive wiretapping and more active attacks,
such as MITM attacks. DPRIVE will address risks to end-users' privacy
(for example, which websites an end user is accessing).

DPRIVE Work Items:

  • Develop requirements for adding confidentiality to DNS exchanges
    between recursive resolvers and authoritative servers (unpublished
    document).

  • Investigate potential solutions for adding confidentiality to DNS
    exchanges involving authoritative servers (Experimental).

  • Define, collect and publish performance data measuring effectiveness
    of DPRIVE-published technologies against pervasive monitoring
    attacks.

  • Document Best Current Practices for operating DNS Privacy services.

Milestones

Date Milestone Associated documents
Aug 2020 Submit draft on DNS privacy exchanges involving authoritative servers (Exp)

Done milestones

Date Milestone Associated documents
Done Unpublished document on requirements for DNS privacy services between recursive and authoritative servers (Wiki)