On Thu, Jan 18, 2018 at 9:57 PM, Adam Baso <abaso(a)wikimedia.org> wrote:
Adding to this, one thing to consider is DNT - is
there a way to invoke EL
so that such traffic is appropriately imputed or something?
The EventLogging client respects DNT [0]. When the user enables DNT,
mw.eventLog.logEvent is a NOP.
I don't see any mention of DNT in the Varnish VCLs around the the /beacon
endpoint or otherwise but it may be handled elsewhere. While it's unlikely,
there's nothing stopping a client sending a well-formatted request to the
/beacon/event endpoint directly [1], ignoring the user's choice.
-Sam
[0]
https://phabricator.wikimedia.org/diffusion/EEVL/browse/master/modules/ext.…
[1]
https://phabricator.wikimedia.org/diffusion/EEVL/browse/master/modules/ext.…