Re: [TLS] I-D Action: draft-ietf-tls-esni-07.txt

"Salz, Rich" <rsalz@akamai.com> Tue, 02 June 2020 18:45 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>, Christian Huitema <huitema@huitema.net>, Christopher Wood <caw@heapingbits.net>, "TLS@ietf.org" <tls@ietf.org>
Thread-Topic: [TLS] I-D Action: draft-ietf-tls-esni-07.txt
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Date: Tue, 02 Jun 2020 18:44:56 +0000
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References: <159104051676.18465.12498199656412028384@ietfa.amsl.com> <af75a707-3b6c-a1af-14c4-6e766cb4e572@huitema.net> <c7a41e95-8b21-4620-806e-db144eac2fa3@www.fastmail.com> <4385bb35-710b-311d-2b7c-fad0eb72c5d3@huitema.net> <eefa3eda-83ec-8237-167a-009a83791629@cs.tcd.ie>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/LZC_juHL_3FRY3iHmuvNzCPLf0g>
Subject: Re: [TLS] I-D Action: draft-ietf-tls-esni-07.txt
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Trial description scares me.  Perhaps that's not a rationale fear -- one of the points of CDN support is a large anonymity set -- but I worry about the DoS possibilities. Especially if QUIC picks this up (now trivial to fake "client IP") and if some large mobile manufacturers move to use this as the default as I've heard they are considering.