[tor-bugs] #21625 [Applications/Tor Browser]: Review networking code for Firefox 52

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#21625: Review networking code for Firefox 52
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 Reporter:  gk                                   |          Owner:
                                                 |  mikeperry
     Type:  task                                 |         Status:
                                                 |  assigned
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Critical                             |     Resolution:
 Keywords:  ff52-esr, tbb-7.0-must-alpha,        |  Actual Points:
  TorBrowserTeam201705                           |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by cypherpunks):

 2c: now Firefox uses 3 loopback connections (the child process too).
 What about DNS-RPC calls?
 (Also what protection might be added against extraction of MAC address as
 in recent exploit? Maybe, some interception of such system calls?)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21625#comment:14>
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