[tbb-bugs] #19995 [Applications/Tor Browser]: New Identity does not clear HSTS state anymore

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#19995: New Identity does not clear HSTS state anymore
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-newnym, tbb-torbutton,           |  Actual Points:
  GeorgKoppen201608, TorBrowserTeam201608R       |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by bugzilla):

 > on New Identity: it does not get deleted anymore.
 Can you confirm that? Because it does clear SiteSecurityServiceState.txt
 (by invoking Clear All History / Site Preferences somehow). And Firefox
 should do that then, otherwise there is something for uplifting.
 > NEWNYM issue seemed trivially to fix.
 Retained state after exiting can be treated as newnym violation, so could
 you also provide a patch for clearing/deleting
 SiteSecurityServiceState.txt (as a workaround)?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19995#comment:2>
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