W dniu 04.01.2018 o 15:22, Eric Rescorla pisze:
>
>
> On Thu, Jan 4, 2018 at 2:46 AM, Mateusz Jończyk <mat.jonc...@o2.pl
> <mailto:mat.jonc...@o2.pl>> wrote:
>
> W dniu 03.01.2018 o 18:05, Benjamin Kaduk pisze:
> > On 01/03/2018 10:17 AM, Mateusz Jończyk wrote:
> >> Judging from TLS1.3's problems with middleboxes, content filtering
> isn't so
> >> rare, especially in the corporate world.
> >>
> >> The provider of filtering services (for example OpenDNS) / middlebox
> >> manufacturer would have to recognize if the client supports this
> mechanism.
> >> Having support for TLS1.3 could be one such flag.
> >
> > Cherry-picking this one part just for enhanced clarity: I do not think
> > support for TLS 1.3 can or should be such a flag -- there does not seem
> > sufficient reason to block TLS 1.3 finalization for this proposal.
>
> I would like to ask You to add just this one flag:
> access_administratively_disabled to TLS 1.3. This will allow graceful
> upgrade to
> full proposed functionality of the access_administratively_disabled
> mechanism.
>
>
> I am not in favor of this change at this time.
>
> I suspect I'm not in favor of the mechanism, but i'm definitely not in favor
> of
> adding a placeholder alert for some mechanism which isn't specified.
>
OK, but what about this change considered separately? I have changed the
semantics slightly:
+access_denied_by_intermediary
+: The access was denied by a network intermediary - i.e. a server other
+ than the client or the desired server, for example by an Internet Sevice
+ Provider.
Justification:
Network intermediaries (for example ISPs) may block traffic by using
e.g. access_denied anyway. Make it more explicit by adding
access_denied_by_intermediary.
This will make censorship more transparent.
Greetings,
Mateusz
> -Ekr
>
> I will try to submit an Internet Draft for the full mechanism till the
> end of
> this week.
>
> Greetings,
> Mateusz Jończyk
>
> >
> > -Ben
> >
>
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