[tor-bugs] #14947 [Tor Browser]: Torbrowser 4.0.3 lacks required "user_pref" preferences of TorButton on fresh extension's installation.

[Tor Bug Tracker & Wiki]

#14947: Torbrowser 4.0.3 lacks required "user_pref" preferences of TorButton on
fresh extension's installation.
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     Reporter:  johnakabean  |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  minor        |  Milestone:
    Component:  Tor Browser  |    Version:
   Resolution:               |   Keywords:  tbb-torbutton
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by johnakabean):

 when you use torbrowser freshly unzipped, yes it seems to work perfect but
 if, for some reason, you need to reset torbutton and/or tor browser
 preferences, torbutton will not reinstall the preferences related to socks
 version and remote dns in a fresh, default "firefox" profile. Like I said,
 to reproduce, start tor browser with '-p' flag and create a fresh profile
 in a new location. Install torbutton using the xpi file in the original
 profile that came with tor browser; when it gets installed, it will add
 proxy options but not the ones outlined in the original post above.

 By not doing so, for some reason it can cause tor button to lose ability
 to change the proxy settings of the browser along with making the browser
 have intermittent connection problems (every 2nd and 3rd connection to
 time out, get reset, or fail resolution.

 I found this was the cause when I noticed the above settings were missing
 from prefs.js along with being missing from
 'preferences\extension_Overrides.js' and added them to prefs.js; after
 ONLY adding these preferences and setting them, I regrew the hair I had
 pulled out over the last 3 days, blaming everything else :) I thought
 other plugins were causing the issue or whatever; I constantly reset tor
 browser to default profile againt, utilizing trial and error to narrow
 down the issue.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/14947#comment:6>
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