Re: [TLS] consensus call: draft-ietf-tls-ticketrequests
Russ Housley <housley@vigilsec.com> Wed, 04 March 2020 23:32 UTC
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From: Russ Housley <housley@vigilsec.com>
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Date: Wed, 04 Mar 2020 18:32:33 -0500
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To: Sean Turner <sean@sn3rd.com>
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Subject: Re: [TLS] consensus call: draft-ietf-tls-ticketrequests
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Yes. I would like to see more than just "Ticket re-use is a security and privacy concern" in the security considerations. At an absolute minimum, there needs to be a pointer to Section 8 of RFC 8446. Russ > On Mar 4, 2020, at 11:06 AM, Sean Turner <sean@sn3rd.com> wrote: > > one more time ... > > All, > > The purpose of this message is to help the chairs judge consensus on the way forward for draft-ietf-tls-ticketrequests. The issue at hand is whether the client-initiated ticket request mechanism [0] should be modified to add support for ticket reuse, see [1] lines 160-214. As we see it, the way forward involves either one draft or two. To that end, we would like your input (YES or NO) on the following question by 2359 UTC 18 March 2020: > > Must the ticket reuse use case be addresses > in draft-ietf-tls-ticketrequests? > > Full disclosure: RFC 8446 recommends against ticket reuse to help protect clients from passive observers correlating connections [2]. The PR supports ticket reuse for use cases for a server-to-server connection that has fixed source addresses and no connection racing; if adopted the WG will need to ensure that the security considerations are properly documented. > > Note: There have been at least three threads on this draft [3][4][5]. Please, let’s try to avoid re-litigating the points made therein. > > Joe & Sean > > [0] https://datatracker.ietf.org/doc/draft-ietf-tls-ticketrequests/ > [1] https://github.com/tlswg/draft-ietf-tls-ticketrequest/pull/18 > [2] https://tools.ietf.org/html/rfc8446#appendix-C.4 > [3] https://mailarchive.ietf.org/arch/msg/tls/2cpoaJRushs09EFeTjPr-Ka3FeI/ > [4] https://mailarchive.ietf.org/arch/msg/tls/-7J3gMmpHNw9t3URzxvM-3OaTR8/ > [5] https://mailarchive.ietf.org/arch/msg/tls/FjhqbYYTwzgiV9weeCuxn0tHxPs/ > _______________________________________________ > TLS mailing list > TLS@ietf.org > https://www.ietf.org/mailman/listinfo/tls
- [TLS] consensus call: draft-ietf-tls-request Sean Turner
- Re: [TLS] consensus call: draft-ietf-tls-request Sean Turner
- [TLS] consensus call: draft-ietf-tls-ticketreques… Sean Turner
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Salz, Rich
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Daniel Migault
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Viktor Dukhovni
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Watson Ladd
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Christopher Wood
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… David Schinazi
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Carrick Bartle
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Carrick Bartle
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Victor Vasiliev
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Nico Williams
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Sean Turner
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Rob Sayre
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Nico Williams
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… David Benjamin
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Sean Turner
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Russ Housley
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Martin Thomson
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Christopher Wood
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Viktor Dukhovni
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Nick Harper
- Re: [TLS] consensus call: (not precluding ticket … Martin Thomson
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: (not precluding ticket … Watson Ladd
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: (not precluding ticket … Nick Harper
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: (not precluding ticket … Nick Harper
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Stephen Farrell
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Rob Sayre
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Stephen Farrell
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Rob Sayre
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Watson Ladd
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Nico Williams
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Rob Sayre
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Viktor Dukhovni
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Stephen Farrell
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Jeremy Harris
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Eric Rescorla
- Re: [TLS] consensus call: (not precluding ticket … Eric Rescorla
- Re: [TLS] [EXTERNAL] Re: consensus call: draft-ie… Andrei Popov
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Sean Turner
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Salz, Rich
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Kyle Nekritz
- Re: [TLS] consensus call: (not precluding ticket … Nick Harper
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: (not precluding ticket … Nick Harper
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Benjamin Kaduk
- Re: [TLS] consensus call: (not precluding ticket … Benjamin Kaduk
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Benjamin Kaduk
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Martin Thomson
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: (not precluding ticket … Benjamin Kaduk
- Re: [TLS] consensus call: (not precluding ticket … Viktor Dukhovni
- Re: [TLS] consensus call: draft-ietf-tls-ticketre… Sean Turner