Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator
Jacques Latour <Jacques.Latour@cira.ca> Wed, 20 March 2019 19:31 UTC
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From: Jacques Latour <Jacques.Latour@cira.ca>
To: Adam Roach <adam@nostrum.com>, Jared Mauch <jared@puck.nether.net>, Brian Dickson <brian.peter.dickson@gmail.com>
CC: Ted Hardie <ted.ietf@gmail.com>, DoH WG <doh@ietf.org>, dnsop <dnsop@ietf.org>, paul vixie <paul@redbarn.org>, Michael Sinatra <michael@brokendns.net>, Stephen Farrell <stephen.farrell@cs.tcd.ie>
Thread-Topic: [Doh] [DNSOP] New I-D: draft-reid-doh-operator
Thread-Index: AQHU30jRzIqBQt8xXUeC8PFs/ddm0KYU5d0Q
Date: Wed, 20 Mar 2019 19:31:54 +0000
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Subject: Re: [DNSOP] [Doh] New I-D: draft-reid-doh-operator
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It's not what you access, it's what you block, since reverse DNS is not a good solution in this instance, you need to map the DNS block list to it's IP addresses and block those IPs, and readjust based on TTL, you'll end up blocking more stuff than intended, huge mess, but if you can't trust the DNS to be clean then that's one option to enforce a security policy when browsers are using DoH. This should probably go in draft-livingood-doh-implementation-risks-issues Jacques >-----Original Message----- >From: Adam Roach <adam@nostrum.com> >Sent: March 20, 2019 2:15 PM >To: Jacques Latour <Jacques.Latour@cira.ca>; Jared Mauch ><jared@puck.nether.net>; Brian Dickson <brian.peter.dickson@gmail.com> >Cc: Ted Hardie <ted.ietf@gmail.com>; DoH WG <doh@ietf.org>; dnsop ><dnsop@ietf.org>; paul vixie <paul@redbarn.org>; Michael Sinatra ><michael@brokendns.net>; Stephen Farrell <stephen.farrell@cs.tcd.ie> >Subject: Re: [Doh] [DNSOP] New I-D: draft-reid-doh-operator > >On 3/20/19 12:59 PM, Jacques Latour wrote: >> I'm trying to balance in my mind the requirements to protect the DNS >> vs. what is happening on the wire, in the end, the browser will >> connect to an IP address which can be (in most case) mapped to a >> domain name > > >I don't think this second assertion is true in 2019. See if you can make even a >first-order reasonable guess what I'm accessing at 172.217.1.129 or >23.227.38.32 or 52.40.19.98 or 216.105.38.15 or 104.20.1.85. > >(Hint: I took these all from sites I visit frequently, and none are particularly >obscure sites) > >/a
- 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