Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-reid-doh-operator
Brian Dickson <brian.peter.dickson@gmail.com> Mon, 25 March 2019 09:43 UTC
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From: Brian Dickson <brian.peter.dickson@gmail.com>
Date: Mon, 25 Mar 2019 10:42:44 +0100
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To: Patrick McManus <mcmanus@ducksong.com>
Cc: "Winfield, Alister" <Alister.Winfield=40sky.uk@dmarc.ietf.org>,
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Subject: Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-reid-doh-operator
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On Mon, Mar 25, 2019 at 10:31 AM Patrick McManus <mcmanus@ducksong.com> wrote: > > > On Mon, Mar 25, 2019 at 9:37 AM Brian Dickson < > brian.peter.dickson@gmail.com> wrote: > >> >> >>> >>> \Other than blocking all-but-a-few (or all, or a few) DoT servers, I do >> not believe anyone has proposed explicit downgrade triggers. >> > > that's the downgrade I am referring to > > > >> Or do you mean, when a DoT connection is blocked by e.g. a firewall (or >> other network enforcement device), that an RST is generated? I believe the >> RST requires sequence number validation before it can be processed by the >> TCP stack, which means the entity doing the RST generally needs to be in >> the data path. Other than "lucky guess" or "high volume attempts", I don't >> believe RST to be a serious threat. >> > > path manipulation attacks are real. arp attacks.. bootp attacks.. rouge > access points. stingray. all kinds of things. unauthenticated network > packets are just that: unauthenticated. RST (or blackhole) is a good > indication that a path isn't going to work - its not a good indication of > who is expressing that policy (or whether it is a policy at all). > > Anyhow - I'm really not trying to amp up this thread.. I just felt that > there were a few relevant points to the discussion that had not been > introduced. > Okay, that's good to know, and I think we are in agreement (i.e. that inference is a poor substitute for declarations.) I think that this is an area that needs thought and mechanism development, possibly aligned with DoT/DoH operation, possibly not (or orthogonal to them). Brian
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Warren Kumari
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Stephane Bortzmeyer
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Stephane Bortzmeyer
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ask Bjørn Hansen
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Vittorio Bertola
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Hardie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Hardie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Hardie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Hardie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Michael Sinatra
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Raymond Burkholder
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Raymond Burkholder
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [EXTERNAL] Re: [Doh] New I-D: draft-r… Winfield, Alister
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Hardie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator John Todd
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Vittorio Bertola
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Brian Dickson
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ralf Weber
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator John Levine
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Matthew Pounsett
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Eliot Lear
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Lemon
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Eliot Lear
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Christian Huitema
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Hardie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Eliot Lear
- Re: [DNSOP] [EXTERNAL] Re: [Doh] New I-D: draft-r… Winfield, Alister
- Re: [DNSOP] [EXTERNAL] Re: [Doh] New I-D: draft-r… Christian Huitema
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jared Mauch
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jared Mauch
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Stephen Farrell
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Brian Dickson
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Stephen Farrell
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator nalini elkins
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Brian Dickson
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Stephen Farrell
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jared Mauch
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Joe Abley
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jacques Latour
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Adam Roach
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator 神明達哉
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jacques Latour
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Matthew Pounsett
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Matthew Pounsett
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jared Mauch
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Matthew Pounsett
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Vittorio Bertola
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jacques Latour
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Brian Dickson
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator John Levine
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jim Reid
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Wes Hardaker
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Christian Huitema
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Vittorio Bertola
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Eric Rescorla
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ray Bellis
- Re: [DNSOP] [EXTERNAL] Re: [Doh] New I-D: draft-r… Winfield, Alister
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator sthaug
- Re: [DNSOP] [EXTERNAL] Re: [Doh] New I-D: draft-r… Joe Abley
- Re: [DNSOP] [EXTERNAL] Re: [Doh] New I-D: draft-r… Winfield, Alister
- Re: [DNSOP] [EXTERNAL] Re: [Doh] New I-D: draft-r… Joe Abley
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Eliot Lear
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Ted Lemon
- Re: [DNSOP] [Doh] (dhc discovery) New I-D: draft-… Normen B. Kowalewski
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Bill Woodcock
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Livingood, Jason
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Joe Abley
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jared Mauch
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Puneet Sood
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Stephen Farrell
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Richard Bennett
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Richard Bennett
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Wes Hardaker
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Jared Mauch
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Matthew Pounsett
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Paul Vixie
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Patrick McManus
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Patrick McManus
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Brian Dickson
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Patrick McManus
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Vittorio Bertola
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Paul Wouters
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Olli Vanhoja
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Brian Dickson
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Brian Dickson
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Daniel Stenberg
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Mark Andrews
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Patrick McManus
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Brian Dickson
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Ian Swett
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Brian Dickson
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… sthaug
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Valentin Gosu
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Ray Bellis
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Brian Dickson
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Eliot Lear
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Stephen Farrell
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Eliot Lear
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Patrick McManus
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Patrick McManus
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Brian Dickson
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Ted Lemon
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Ray Bellis
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Tony Finch
- Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator Puneet Sood
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Tony Finch
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Ted Lemon
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Tony Finch
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Ted Lemon
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… Paul Vixie
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… tirumal reddy
- Re: [DNSOP] [Doh] [EXTERNAL] Re: New I-D: draft-r… tirumal reddy