On Tue, Jan 8, 2019 at 7:17 AM Benjamin Berg <bb...@redhat.com> wrote:
>
> On Tue, 2019-01-08 at 12:33 +0100, Miroslav Suchý wrote:
> > Dne 08. 01. 19 v 11:35 Nicolas Mailhot napsal(a):
> > > *which* *do* *not* *permit* *or* *no* *longer* *permit* *the*
> > > *identification* *of* *data* *subjects*
> >
> > How do you identify data subject solely on UUID?
>
> You also inherently collect information such as the IP and the
> timestamp of the request which in principle permits identification. You
> could for example collect the IP from Fedora account logins and one of
> these pings. This way you can de-anonymise the data collected for the
> UUID.

We can certainly implement a setup that does not collect or store the
UUID together with the IP address or timestamp. Send the UUID as a
HTTP header, don't log it, send the UUID off to a counting service
(*). If we make sure the UUID is protected in transit, sent only to
our own servers (or servers configured by the user), and not collected
or stored in a personally identifiable way, I suspect that we're
meeting our obligations under the GDPR, though we'd need to
double-check any selected solution carefully.

That being said, certainly some users might still have an issue with
having a UUID sent to Fedora servers even if we are meeting our legal
obligations. What we say we are doing with the data might not
correspond to reality in case of a security breach or court order. For
this reason, the first_time_this_week=1 option that Lennart and
Benjamin mentioned has some appeal to me - it would avoid the need for
extra opt-in/out screens, confusing text, etc. It would also allow any
yum repository to do counting the same way - not just our own
repositories.

Owen

(*) implementation left to your imagination. Store a hash of the UUID
for a week then discard. Use HyperLogLog. Etc.
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