[tbb-bugs] #29916 [Applications/Tor Browser]: Group Policies for Firefox can bypass Tor Browser's proxy settings

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Mar 27 07:23:24 UTC 2019


#29916: Group Policies for Firefox can bypass Tor Browser's proxy settings
-------------------------------------+-------------------------------------
     Reporter:  gk                   |      Owner:  tbb-team
         Type:  defect               |     Status:  new
     Priority:  High                 |  Milestone:
    Component:  Applications/Tor     |    Version:
  Browser                            |   Keywords:  tbb-proxy-bypass,
     Severity:  Normal               |  TorBrowserTeam201904
Actual Points:                       |  Parent ID:
       Points:                       |   Reviewer:
      Sponsor:                       |
-------------------------------------+-------------------------------------
 Assuming your Windows environment has a Firefox group policy (GPO) that
 specifies e.g. using system proxy settings then Tor Browser happily
 follows that and is ignoring its own proxy settings without notifying
 users.

 What should actually happen is that Tor Browser is ignoring those Firefox
 GPO settings instead.

 This got tested with Tor Browser 8.0.8 on Win10 1709.

 Thanks to Kit Chung for this report.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29916>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online


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