On 05.03.2017 19:13, Julian Andres Klode wrote:
> On Sun, Mar 05, 2017 at 06:07:02PM +0100, Philipp Kern wrote:
>> On 02.03.2017 05:54, Aron Xu wrote:
>>> I'd like to see it get enabled by default eventually, but preferably
>>> provide a toggle in Privacy tab for Unity desktop (and configurable
>>> check URL) which provides better user experience without compromising
>>> privacy needs. But there remains a question for other desktops flavors
>>> how to handle it (which is worse than the config-connectivity package
>>> Some facts about how to actually do the check:
>>> 1. iOS uses a similar approach via HTTPS like what we NM does
>>> 2. Android uses a 204 response from server via HTTPS, this would
>>> reduce the server load and bandwidth requirement because there's no
>>> HTTP body being transferred.
>> Huh, isn't it using http://www.gstatic.com/generate_204?
> Not really. Android uses connectivitycheck.gstatic.com since 6.0 or something
> (not www :)). For example, see:
> But more to the point, https was added at some point and turned on by
> - same server though.
Hm, thanks. Note, however, that it does parallel probing on both HTTP
and HTTPS and takes whatever's first. It also contains a useful comment
for implementers of a captive portal notification of "disable HTTPS
checks if the captive portal login was taken care of".
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