[TLS] Mirja Kühlewind's No Objection on draft-ietf-tls-sni-encryption-05: (with COMMENT)
Mirja Kühlewind via Datatracker <noreply@ietf.org> Mon, 09 September 2019 16:07 UTC
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Date: Mon, 09 Sep 2019 09:07:06 -0700
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Subject: [TLS] Mirja Kühlewind's No Objection on draft-ietf-tls-sni-encryption-05: (with COMMENT)
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Mirja Kühlewind has entered the following ballot position for draft-ietf-tls-sni-encryption-05: No Objection When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-tls-sni-encryption/ ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- Thanks for clearly writing down attacks and requirements in this document. One small technical comment on this sentence: Sec 2.3: "Per-stream QoS can be provided by a combination of packet marking and end-to-end agreements." If this sentence is meant to mean use of DSCP, I don't think this is true, as DSCP is usually not available end-to-end but most often gets changed or bleached somewhere on the path. And two editorial comments: Sec 2.1: "The SNI was defined to facilitate management of servers, though the developers of middleboxes soon found out that they could take advantage of the information." "soon found out" does sound a bit story-telling like to me. I recommend a more objective phrasing like: "The SNI was defined to facilitate management of servers, though other usages by middleboxes also take advantage of the information." or something similar... Also sec 2.1: "The SNI is probably also included in the general collection of metadata by pervasive surveillance actors." This sentence is phrased a bit speculatively and at the same kind seems inherently true as a "pervasive surveillance actor" usually just collect all available data/traffic... I guess the more interesting question would be if and how this information is used. Anyway I recommend some rephrasing like: "The SNI could also be utilised by the general collection of metadata by pervasive surveillance actors."
- [TLS] Mirja Kühlewind's No Objection on draft-iet… Mirja Kühlewind via Datatracker