Ciao Fabio!
Fabio Forno wrote:
> On Wed, Oct 8, 2008 at 12:20 AM, Peter Saint-Andre <[EMAIL PROTECTED]> wrote:
>
>> Privacy lists were unnecessary even in the very beginning to solve the
>> problem we thought they needed to solve, which is essentially the
>> following points from RFC 2779:
>> [...]
>> Given that so many developers find privacy lists so confusing (not to
>> mention end users!!!), I would very much like to use XEP-0191 and
>> XEP-0186 for blocking and invisibility because they are much simpler for
>> everyone to grok ("block this user", "go invisible", what could be
>> easier?). If people then feel they need privacy lists for some more
>> advanced functionality, we have the technology ready to use. But I see
>> no good reason to keep hitting these two particular nails with the big
>> sledgehammer we created back in 2002 (does anyone here remember "zebra
>> lists"?) when much simpler tools can do the job.
>
> I get the point, but what will happen by adopting the "simple"
> solutions? A possible scenario:
> - for invisibility and blocking the simple xeps are used
> - privacy lists will stay (at list I hope, since they are the only way
> to do things like temporary going online for only a subset of users,
> which is critical on mobiles with rosters getting bigger a bigger and
> consequent flood of presence)
> - use of privacy lists will remain inconsistent between clients since
> they will be used only in the border case explained above, with the
> risk of setting a list in a session and messing up everything when
> changing client
> - developers even more confused of what to use and when, also because
> if the hammer is still there without safety instructions somebody will
> be tempted to use it instead of the simple solutions (as we where
> saying we are all different, and somebody may think "why use the
> limited rules when I have a much powerful tool?": the dark side of
> force is powerful! ;) )
:)
> Ok, we can't stop people from doing stupid things, but at least we
> should warn by updating xep-16 better clarifying when to use it. Imho
> this
> "Note: The protocol specified herein MAY be used in conjunction with
> Simple Communications Blocking [1]; see XEP-0191 for details." is not
> enough strong, but I'd say that they shouldn't be used in the cases
> covered by the simple xeps (I think MUST can't be used because it is
> impossible to enforce it)
Yes, I see your point.
Basically we would recommend to use the simple tools if all possible,
and use the power tool (privacy lists) only if absolutely necessary.
Peter
--
Peter Saint-Andre
https://stpeter.im/
