[tbb-bugs] #16998 [Tor Browser]: Make sure <link rel="preconnect"> adheres to URL bar domain isolation

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#16998: Make sure <link rel="preconnect"> adheres to URL bar domain isolation
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 Reporter:  gk                         |          Owner:  tbb-team
     Type:  task                       |         Status:  new
 Priority:  major                      |      Milestone:
Component:  Tor Browser                |        Version:
 Keywords:  ff45-esr, tbb-linkability  |  Actual Points:
Parent ID:                             |         Points:
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 <link rel="preconnect"> got implemented in Firefox 39
 (https://bugzilla.mozilla.org/show_bug.cgi?id=1135160) we should make sure
 it follows our URL bar domain isolation paradigm. It might be worth to
 look at the the implementation itself as it claims "allowing to anticipate
 a future connection without revealing any information"

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16998>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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