I haven't read the document yet, just the abstract. I am not suggesting it, just relaying that this privacy issue seems to be something others have recognized as a concern.
--- Begin Message ---A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Extensions for Scalable DNS Service Discovery of the IETF. Title : Privacy Extensions for DNS-SD Authors : Christian Huitema Daniel Kaiser Filename : draft-ietf-dnssd-privacy-01.txt Pages : 23 Date : 2017-03-10 Abstract: DNS-SD (DNS Service Discovery) normally discloses information about both the devices offering services and the devices requesting services. This information includes host names, network parameters, and possibly a further description of the corresponding service instance. Especially when mobile devices engage in DNS Service Discovery over Multicast DNS at a public hotspot, a serious privacy problem arises. We propose to solve this problem by a two-stage approach. In the first stage, hosts discover Private Discovery Service Instances via DNS-SD using special formats to protect their privacy. These service instances correspond to Private Discovery Servers running on peers. In the second stage, hosts directly query these Private Discovery Servers via DNS-SD over TLS. A pairwise shared secret necessary to establish these connections is only known to hosts authorized by a pairing system. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-dnssd-privacy/ There's also a htmlized version available at: https://tools.ietf.org/html/draft-ietf-dnssd-privacy-01 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-dnssd-privacy-01 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ _______________________________________________ dnssd mailing list [email protected] https://www.ietf.org/mailman/listinfo/dnssd
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-- Michael Richardson <[email protected]>, Sandelman Software Works -= IPv6 IoT consulting =-
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