Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-25 Thread Patrick McManus
Hi Anne, On Tue, Nov 25, 2014 at 9:13 AM, Anne van Kesteren wrote: > > > They are doing this with opportunistic encryption (via the > > Alternate-Protocol response header) for http:// over QUIC from chrome. > In > > > > Or are you saying that > because Google experiments with OE in QUIC, inclu

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-25 Thread Anne van Kesteren
On Fri, Nov 21, 2014 at 5:44 PM, Patrick McManus wrote: > On Fri, Nov 21, 2014 at 10:09 AM, Anne van Kesteren > wrote: >> Why would they be allowed to use OE? > > The reasons why any individual resource has to be http:// and may (or may > not) be able to run OE vary by resource. Of course only th

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-24 Thread Henri Sivonen
On Fri, Nov 21, 2014 at 4:53 PM, Patrick McManus wrote: > Hi - > > On Fri, Nov 21, 2014 at 5:41 AM, Henri Sivonen wrote: >> >> >> Indeed. Huge thanks to everyone who is making Let's Encrypt happen. >> >> > regulatory compliance, >> >> What's this about? > > > nosslsearch.google.com is an example

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-21 Thread Martin Thomson
On 2014-11-21, at 08:19, Justin Dolske wrote: > > Is that a direct or indirect cause? AFAIK nothing directly requires Google to > offer this, but the alternative would be organizations and networks who do > want/need to see traffic simply blocking Google services. And so Google has > made the

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-21 Thread Justin Dolske
On 11/21/14 6:53 AM, Patrick McManus wrote: regulatory compliance, What's this about? nosslsearch.google.com is an example of the weight of regulatory compliance in action. Google talks loudly about all https (and has the leading track record), yet there it is. And google isn't special in t

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-21 Thread Patrick McManus
On Fri, Nov 21, 2014 at 10:09 AM, Anne van Kesteren wrote: > On Fri, Nov 21, 2014 at 3:53 PM, Patrick McManus > wrote: > > in action. Google talks loudly about all https (and has the leading track > > record), yet there it is. And google isn't special in that regard. > > Why would they be allowe

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-21 Thread Dale Harvey
> But that would no longer be about HTTP. At least as far as the things > we've been talking about exposing in browsers are concerned. Lots of things speak over http that arent (permenently) connected to the global web / dns, why is that not of any concern? On 21 November 2014 16:09, Anne van Kes

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-21 Thread Anne van Kesteren
On Fri, Nov 21, 2014 at 3:53 PM, Patrick McManus wrote: > nosslsearch.google.com is an example of the weight of regulatory compliance > in action. Google talks loudly about all https (and has the leading track > record), yet there it is. And google isn't special in that regard. Why would they be

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-21 Thread Patrick McManus
Hi - On Fri, Nov 21, 2014 at 5:41 AM, Henri Sivonen wrote: > > Indeed. Huge thanks to everyone who is making Let's Encrypt happen. > > > regulatory compliance, > > What's this about? > nosslsearch.google.com is an example of the weight of regulatory compliance in action. Google talks loudly abo

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-21 Thread Henri Sivonen
On Wed, Nov 19, 2014 at 4:50 PM, Patrick McManus wrote: > On Wed, Nov 19, 2014 at 1:45 AM, Henri Sivonen wrote: >> >> >> Does Akamai's logo appearing on the Let's Encrypt announcements change >> Akamai's need for OE? (Seems *really* weird if not.) > > > let's encrypt is awesome - more https is aw

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-19 Thread voracity
On Wednesday, November 19, 2014 11:12:42 PM UTC+11, Gervase Markham wrote: > https://letsencrypt.org/ . When I first saw Let's Encrypt (the very next day after my post) I got excited, but when I read how it works, I got even more excited. There's still things it doesn't (seem to) solve (localhos

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-19 Thread Adam Roach
On 11/19/14 04:50, Patrick McManus wrote: There are basically 2 arguments against OE here: 1] you don't need OE because everyone can run https and 2] OE somehow undermines https I don't buy them because [1] remains a substantial body of data and [2] is unsubstantiated speculation and borders on

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-19 Thread Patrick McManus
On Wed, Nov 19, 2014 at 1:45 AM, Henri Sivonen wrote: > > Does Akamai's logo appearing on the Let's Encrypt announcements change > Akamai's need for OE? (Seems *really* weird if not.) > let's encrypt is awesome - more https is awesome. The availability of let's encrypt (or something like it) wa

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-19 Thread Gervase Markham
On 18/11/14 04:03, voracity wrote: > The issue isn't that people are cheapskates, and will lose 'a few > dollars'. The issue is that transaction costs > can be crippling. https://letsencrypt.org/ . Gerv __

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-18 Thread Henri Sivonen
> On Wed, Nov 19, 2014 at 1:20 PM, Chris Peterson > wrote: >> Given Mozilla's announcements around Let's Encrypt, are there still use >> cases for HTTP+OE? >> >> https://letsencrypt.org/2014/11/18/announcing-lets-encrypt.html In particular: https://wiki.mozilla.org/Platform/2014-10-14#Necko_.28d

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-18 Thread Robert O'Callahan
On Wed, Nov 19, 2014 at 1:20 PM, Chris Peterson wrote: > On 11/17/14 1:48 AM, Henri Sivonen wrote: > >> As for cat and mouse, I'd prefer putting our cat-and-mouse energies >> into patching up https PKI instead of introducing a new cat-and-mouse >> situation to pay attention to. (Despite being abl

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-11-18 Thread Chris Peterson
On 11/17/14 1:48 AM, Henri Sivonen wrote: As for cat and mouse, I'd prefer putting our cat-and-mouse energies into patching up https PKI instead of introducing a new cat-and-mouse situation to pay attention to. (Despite being able to walk and chew gum, our end isn't 100% immune to opportunity cos

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-17 Thread voracity
On Friday, November 14, 2014 6:25:43 PM UTC+11, Henri Sivonen wrote: > This is obvious to everyone reading this mailing list. My concern is > that if the distinction between http and https gets fuzzier, people > who want "encryption" but who want to avoid ever having to pay a penny > to a CA will t

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-17 Thread Henri Sivonen
On Fri, Nov 14, 2014 at 8:00 PM, Patrick McManus wrote: > > On Thu, Nov 13, 2014 at 11:16 PM, Henri Sivonen > wrote: >> >> The part that's hard to accept is: Why is the countermeasure >> considered effective for attacks like these, when the level of how >> "active" the MITM needs to be to foil th

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-14 Thread Patrick McManus
On Thu, Nov 13, 2014 at 11:16 PM, Henri Sivonen wrote: > The part that's hard to accept is: Why is the countermeasure > considered effective for attacks like these, when the level of how > "active" the MITM needs to be to foil the countermeasure (by > inhibiting the upgrade by messing with the in

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-14 Thread Henri Sivonen
On Fri, Nov 14, 2014 at 10:51 AM, Martin Thomson wrote: >> How so given that >> http://tools.ietf.org/html/draft-loreto-httpbis-trusted-proxy20-01 >> exists and explicitly seeks to defeat the defense that TLS traffic >> arising from https and TLS traffic arising from already-upgraded OE >> http lo

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-14 Thread Martin Thomson
> On 2014-11-13, at 21:25, Henri Sivonen wrote: >> Your argument relies on there being no prior session that was not >> intermediated by the attacker. I’ll concede that this is a likely situation >> for a large number of clients, and not all servers will opt for protection >> against that sch

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-13 Thread Henri Sivonen
On Thu, Nov 13, 2014 at 8:29 PM, Martin Thomson wrote: > This is true for TLS <= 1.2, but will not be true for TLS 1.3. Certificates > are available to a MitM currently, but in future versions, that sort of > attack will be detectable. Great. I was unaware of this. (This is particularly nice t

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-13 Thread Patrick McManus
I haven't really waded into this iteration of the discussion because there isn't really new information to talk about. But I know everyone is acting in good faith so I'll offer my pov again. We're all trying to serve our users and the Internet - same team :) OE means ciphertext is the new plaintex

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-13 Thread Martin Thomson
I’m not all that enthused by the blow-by-blow here. Nonetheless, there are some distortions to correct. > On 2014-11-12, at 20:23, Henri Sivonen wrote: > > That's true if the server presents a publicly trusted cert for the > wrong hostname (as is common if you try to see what happens if you >

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-12 Thread Henri Sivonen
On Wed, Nov 12, 2014 at 11:12 PM, Richard Barnes wrote: > >> On Nov 12, 2014, at 4:35 AM, Anne van Kesteren wrote: >> >> On Mon, Sep 15, 2014 at 7:56 PM, Adam Roach wrote: >>> The whole line of argumentation that web browsers and servers should be >>> taking advantage of opportunistic encryption

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-12 Thread Richard Barnes
> On Nov 12, 2014, at 4:35 AM, Anne van Kesteren wrote: > > On Mon, Sep 15, 2014 at 7:56 PM, Adam Roach wrote: >> The whole line of argumentation that web browsers and servers should be >> taking advantage of opportunistic encryption is explicitly informed by >> what's actually "happening elsew

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-11-12 Thread Anne van Kesteren
On Mon, Sep 15, 2014 at 7:56 PM, Adam Roach wrote: > The whole line of argumentation that web browsers and servers should be > taking advantage of opportunistic encryption is explicitly informed by > what's actually "happening elsewhere." Because what's *actually* happening > is an overly-broad dr

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-21 Thread Richard Barnes
Pretty sure that what he's referring to is called DANE. It lets a domain holder assert a certificate or key pair, using DNSSEC to bind it to the domain instead of PKIX (or in addition to PKIX). https://tools.ietf.org/html/rfc6698 On Sep 21, 2014, at 8:01 AM, Anne van Kesteren wrote: > On S

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-21 Thread Anne van Kesteren
On Sun, Sep 21, 2014 at 1:14 PM, Aryeh Gregor wrote: > What happened to serving certs over DNSSEC? If browsers supported > that well, it seems it has enough deployment on TLDs and registrars to > be usable to a large fraction of sites. DNSSEC does not help with authentication of domains and esta

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-21 Thread Aryeh Gregor
On Mon, Sep 15, 2014 at 11:34 AM, Anne van Kesteren wrote: > It seems very bad if those kind of devices won't use authenticated > connections in the end. Which makes me wonder, is there some activity > at Mozilla for looking into an alternative to the CA model? What happened to serving certs over

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-09-16 Thread Gervase Markham
On 15/09/14 16:34, Anne van Kesteren wrote: > It seems very bad if those kind of devices won't use authenticated > connections in the end. Which makes me wonder, is there some activity > at Mozilla for looking into an alternative to the CA model? What makes you think that switching away from the C

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Adam Roach
On 9/15/14 11:08, Anne van Kesteren wrote: Google seems to have the right trade off and the "IETF consensus" seems to be unaware of what is happening elsewhere. You're confused. The whole line of argumentation that web browsers and servers should be taking advantage of opportunistic encryptio

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Eric Rescorla
On Mon, Sep 15, 2014 at 9:08 AM, Anne van Kesteren wrote: > On Mon, Sep 15, 2014 at 5:59 PM, Richard Barnes > wrote: > > On Sep 15, 2014, at 5:11 AM, Henri Sivonen wrote: > >> I think the primary way for making the experience better for users > >> currently accessing http sites should be gettin

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Anne van Kesteren
On Mon, Sep 15, 2014 at 5:59 PM, Richard Barnes wrote: > On Sep 15, 2014, at 5:11 AM, Henri Sivonen wrote: >> I think the primary way for making the experience better for users >> currently accessing http sites should be getting the sites to switch >> to https so that subsequently people accessin

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Richard Barnes
On Sep 15, 2014, at 5:11 AM, Henri Sivonen wrote: > On Mon, Sep 15, 2014 at 11:24 AM, Daniel Stenberg wrote: >> On Mon, 15 Sep 2014, Henri Sivonen wrote: >>> What the Chrome folks suggest for HTTP/2 would give rise to a situation >>> where your alternatives are still one one hand unencrypted an

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Henri Sivonen
On Mon, Sep 15, 2014 at 11:24 AM, Daniel Stenberg wrote: > On Mon, 15 Sep 2014, Henri Sivonen wrote: >> What the Chrome folks suggest for HTTP/2 would give rise to a situation >> where your alternatives are still one one hand unencrypted and >> unauthenticated and on the other hand encrypted and a

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Anne van Kesteren
On Mon, Sep 15, 2014 at 10:24 AM, Daniel Stenberg wrote: > Shouldn't we strive to make the user experience better for all > users, even those accessing HTTP sites? Well, the question is whether we want HTTP in the end. E.g. we are opting to not enable new powerful features such as service workers

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Daniel Stenberg
On Mon, 15 Sep 2014, Henri Sivonen wrote: What the Chrome folks suggest for HTTP/2 would give rise to a situation where your alternatives are still one one hand unencrypted and unauthenticated and on the other hand encrypted and authenticated *but* the latter is *faster*. You mess up that re

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-15 Thread Henri Sivonen
On Fri, Sep 12, 2014 at 6:07 PM, Trevor Saunders wrote: > Do we really want all servers to have to authenticate themselves? On the level of DV, yes, I think. (I.e. the user has a good reason to believe that the [top-level] page actually comes from the host named in the location bar.) > In > m

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-12 Thread Adam Roach
On 9/12/14 10:07, Trevor Saunders wrote: [W]hen it comes to the NSA we're pretty much just not going to be able to force everyone to use something strong enough they can't beat it. Not to get too far off onto this sidebar, but you may find the following illuminating; not just for potentially a

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS

2014-09-12 Thread Martin Thomson
On 12/09/14 13:37, Anne van Kesteren wrote: That is something that we should have fixed a long time ago. It's called and is these days also part of CSP. I'll forward that on to those involved. Thanks. ___ dev-platform mailing list dev-platform@lists

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-12 Thread Anne van Kesteren
On Fri, Sep 12, 2014 at 6:06 PM, Martin Thomson wrote: > And the restrictions on the Referer header field also mean that some > resources can’t be served over HTTPS (their URL shortener is apparently the > last hold-out for http:// at Twitter). That is something that we should have fixed a long

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-12 Thread Martin Thomson
On 2014-09-11, at 22:55, Henri Sivonen wrote: > Moreover, https://tools.ietf.org/html/draft-ietf-httpbis-http2-encryption-00 > has the performance overhead of TLS, so it doesn't really address the > "TLS takes too much compute power" objection to https, which is the > usual objection from big sit

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-12 Thread Trevor Saunders
On Fri, Sep 12, 2014 at 08:55:51AM +0300, Henri Sivonen wrote: > On Thu, Sep 11, 2014 at 9:00 PM, Richard Barnes wrote: > > > > On Sep 11, 2014, at 9:08 AM, Anne van Kesteren wrote: > > > >> On Thu, Sep 11, 2014 at 5:56 PM, Richard Barnes > >> wrote: > >>> Most notably, even over non-secure ori

Re: http-schemed URLs and HTTP/2 over unauthenticated TLS (was: Re: WebCrypto for http:// origins)

2014-09-12 Thread Patrick McManus
On Fri, Sep 12, 2014 at 1:55 AM, Henri Sivonen wrote: > tion to https > that obtaining, provisioning and replacing certificates is too > expensive. > Related concepts are at the core of why I'm going to give Opportunistic Security a try with http/2. The issues you cite are real issues in practic