All,
The chairs have been chatting with our AD about re-chartering the
WG. The text below is our proposed charter that we will discuss in our
session this week.Regards, Brian & Tim DPRIVE Charter 2.0 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, and 2) measuring the performance of the proposed solutions against pervasive monitoring. 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Develop requirements for adding confidentiality to DNS exchanges between recursive resolvers and authoritative servers (unpublished document).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.
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