[tbb-bugs] #30575 [Applications/Tor Browser]: "unable to connect" if Firefox GPOs configure proxy settings

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed May 22 12:12:09 UTC 2019

#30575: "unable to connect" if Firefox GPOs configure proxy settings
 Reporter:  kT3Ycp9jwm                |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
Changes (by gk):

 * cc: tom (added)
 * status:  new => needs_information
 * component:  - Select a component => Applications/Tor Browser
 * owner:  (none) => tbb-team


 Hm. Did that work before and just Tor Browser 8.5 breaks now? The problem
 with GPOs is that it seems Tor Browser is happily following whatever the
 GPO is telling it. That means this could lead to a proxy bypass, see:
 #29916. We therefore set: `browser.policies.testing.disallowEnterprise` to
 `true`. Does flipping that pref get things working for you again? Where
 does the PAC file actually point to?

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30575#comment:2>
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