[tor-bugs] #21983 [Applications/Tor Browser]: Should we do more to discourage custom prefs and nonstandard addons?

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#21983: Should we do more to discourage custom prefs and nonstandard addons?
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 Reporter:  arthuredelstein              |          Owner:  tbb-team
     Type:  defect                       |         Status:  new
 Priority:  Medium                       |      Milestone:
Component:  Applications/Tor Browser     |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  tbb-usability, tbb-security  |  Actual Points:
Parent ID:                               |         Points:
 Reviewer:                               |        Sponsor:
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Comment (by cypherpunks):

 I frequently see misguided "guides" which tell people to change their
 preferences, and I have argued for hours with people who believe the same.
 Various silly things are suggested such as disabling referers, randomizing
 user agent, changing CSS behavior, messing with codec or font support, and
 more. I would like to see a big fat warning on each start of Tor Browser
 when the prefs are modified, but only if there is a way to silence it
 (such as through a scary sounding preference that can be manually added).
 This way, the few people who have genuine reasons to change the prefs, and
 fully understand which result in security or fingerprinting risks will be
 able to use the browser without annoyances.

 Perhaps it could be implemented with that small drop-down information bar
 which is also used for browser maximization warnings.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21983#comment:6>
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