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Re: [tor-bugs] #26146 [Applications/Tor Browser]: Setting `general.useragent.override` does not spoof the platform part anymore in ESR 60 which is confusing



#26146: Setting `general.useragent.override` does not spoof the platform part
anymore in ESR 60 which is confusing
-------------------------------------------------+-------------------------
 Reporter:  gk                                   |          Owner:  mcs
     Type:  defect                               |         Status:
                                                 |  assigned
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff60-esr, tbb-fingerprinting-os,     |  Actual Points:
  tbb-8.0-issues, tbb-8.0.1-can                  |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by mcs):

 Replying to [comment:42 mcs]:
 > Maybe I am misunderstanding something, but we need the entire, unspoofed
 user agent string. As far as I can tell, the only code that knows how to
 construct such a string is here:
 > https://searchfox.org/mozilla-
 central/source/netwerk/protocol/http/nsHttpHandler.cpp#909
 >
 > Unfortunately, when `privacy.resistFingerprinting` is true, there is no
 way for code outside of `nsHttpHandler.cpp` to access the string. One
 possible solution would be to add a new attribute to
 `nsIHttpProtocolHandler` such as `unspoofedUserAgent`.

 Never mind; we were not thinking about the problem correctly and now
 realize we can do things a different way.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26146#comment:56>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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