9-Dec-2015
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I've noticed today that
ad.doubleclick.net started asking for client certificates when browsing in
Safari and
Chrome on
OS X. For some reason
mutual authentication is being performed by the
doubleclick (Google) servers. I'm guessing this is a configuration issue on the
Google side as there is generally no need to have the client prove their identity, especially when serving ads. That or this is some new ad tracking technology gone wrong.
Either way the problem is for
Google to fix and until then there is not much that can be done but to keep ignoring these messages.
I couldn't get this to happen in
Windows, but both
Chrome and
Safari in
OS X showed the same behaviour.
Google must be screwing with
Mac users on purpose!
These are the kind of messages that pop up...
-i
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