Re: Quic: the elephant in the room
Ben Laurie <benl@google.com> Sun, 11 April 2021 22:20 UTC
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From: Ben Laurie <benl@google.com>
Date: Sun, 11 Apr 2021 23:20:30 +0100
Message-ID: <CABrd9SQ9_MD9chWF_24Ntg=Q=gdtmdtzQq0Vu=XS0_CT2Y1U3A@mail.gmail.com>
Subject: Re: Quic: the elephant in the room
To: Michael Thomas <mike@mtcc.com>
Cc: Phillip Hallam-Baker <phill@hallambaker.com>, IETF Discussion Mailing List <ietf@ietf.org>
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On Sun, 11 Apr 2021 at 16:42, Michael Thomas <mike@mtcc.com> wrote: > > On 4/11/21 7:34 AM, Ben Laurie wrote: > > > > On Sat, 10 Apr 2021 at 18:04, Michael Thomas <mike@mtcc.com> wrote: > >> >> On 4/10/21 2:29 AM, Ben Laurie wrote: >> >> >> >> On Sat, 10 Apr 2021 at 00:35, Michael Thomas <mike@mtcc.com> wrote: >> >>> >>> On 4/9/21 4:26 PM, Phillip Hallam-Baker wrote: >>> >>> It is only a 'three packet handshake' if you ignore the off path >>> interactions with the DNS service. The timeout on DNS tens to be rather >>> smaller than that most would be comfortable with for crypto. >>> >>> I don't see why it can't be long lived, but even normal TTL's would get >>> amortized over a lot of connections. Right now with certs it is a 5 message >>> affair which cannot get better. But that is why one of $BROWSERVENDORS >>> doing an experiment would be helpful. >>> >> >> When I was designing Certificate Transparency, Chrome ruled out any side >> channel communications requirement during handshake. Given that DNS is >> required anyway, perhaps this would be different. However, the other >> problem is introducing DNS as a trust root - the DNS hierarchy is >> considerably less secure than CAs were even before CT but now it's really a >> very poor option in comparison. >> >> Could be fixed with DNS Transparency, of course. >> >> >> DNS is the natural trust anchor for the internet. And I don't know what >> "considerably less secure" means. If you mean that DNSSec is broken, then >> you should say that. If you mean that DNSsec deployment is thin, that is >> quite another thing, and that is all about the incentives to deploy. I >> don't consider a plethora of CA's of varying security responsibility to be >> a feature and in fact is a bug. >> > What I mean is that the authorities for DNS get compromised far more often > than CAs do. Also, DNS has the same plethora of authorities with varying > security responsibility. > > Huh? Source? > I am sorry that my source is not verifiable (see "transparency is a good thing"). My experience is that certificates have been seriously compromised at least an order of magnitude less often than domains. On "plethora of authorities" that is obvious from inspection.
- Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Stephane Bortzmeyer
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Michael Thomas
- Re: DNS vs PKI, was Quic: the elephant in the room John Levine
- Re: DNS vs PKI, was Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room David Conrad
- Re: Quic: the elephant in the room David Conrad
- Re: Quic: the elephant in the room Viktor Dukhovni
- DNSSEC architecture vs reality (was: Re: Quic: th… Keith Moore
- Re: DNSSEC architecture vs reality (was: Re: Quic… Michael Thomas
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: DNSSEC architecture vs reality (was: Re: Quic… Viktor Dukhovni
- Re: Quic: the elephant in the room Andrew McConachie
- Re: DNSSEC architecture vs reality Keith Moore
- Re: DNSSEC architecture vs reality Petite Abeille
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: DNSSEC architecture vs reality Marco Davids
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Michael Thomas
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Phillip Hallam-Baker
- Re: Quic: the elephant in the room Nico Williams
- Re: Quic: the elephant in the room Salz, Rich
- Re: Quic: the elephant in the room Viktor Dukhovni
- Re: Quic: the elephant in the room Salz, Rich
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality Nico Williams
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality Nico Williams
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality Nico Williams
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality John C Klensin
- Re: DNSSEC architecture vs reality Keith Moore
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality Keith Moore
- Re: DNSSEC architecture vs reality Nico Williams
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality John C Klensin
- Re: DNSSEC architecture vs reality Keith Moore
- Re: DNSSEC architecture vs reality Michael Thomas
- Re: DNSSEC architecture vs reality Nico Williams
- Re: new RRTYPEs, was DNSSEC architecture vs reali… John Levine
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Mark Andrews
- Re: DNSSEC architecture vs reality Petite Abeille
- Re: DNSSEC architecture vs reality Petite Abeille
- Re: DNSSEC architecture vs reality Andrew McConachie
- Re: DNSSEC architecture vs reality Patrik Fältström
- Re: DNSSEC architecture vs reality Eliot Lear
- Re: DNSSEC architecture vs reality Patrik Fältström
- Re: DNSSEC architecture vs reality Patrik Fältström
- Re: new RRTYPEs, was DNSSEC architecture vs reali… John R Levine
- Re: DNSSEC architecture vs reality Nico Williams
- Re: DNSSEC architecture vs reality Nico Williams
- Re: DNSSEC architecture vs reality Jim Fenton
- Re: DNSSEC architecture vs reality Masataka Ohta
- Re: DNSSEC architecture vs reality Petite Abeille
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Phillip Hallam-Baker
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Nico Williams
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Donald Eastlake
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Phillip Hallam-Baker
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Viktor Dukhovni
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Phillip Hallam-Baker
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Vittorio Bertola
- Re: new RRTYPEs, was DNSSEC architecture vs reali… Phillip Hallam-Baker
- Re: Fwd: Quic: the Elephant in the Room Michael Thomas
- Fwd: Quic: the Elephant in the Room Lars Eggert
- RE: Fwd: Quic: the Elephant in the Room Vasilenko Eduard
- Re: Quic: the elephant in the room Ben Laurie
- Re: Quic: the elephant in the room Phillip Hallam-Baker