[tor-bugs] #25445 [Core Tor/Tor]: Opening site in Tor Browser redirects to FSB

[Tor Bug Tracker & Wiki]

#25445: Opening site in Tor Browser redirects to FSB
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     Reporter:  timur.davletshin  |      Owner:  (none)
         Type:  defect            |     Status:  new
     Priority:  Medium            |  Milestone:
    Component:  Core Tor/Tor      |    Version:
     Severity:  Major             |   Keywords:
Actual Points:                    |  Parent ID:
       Points:                    |   Reviewer:
      Sponsor:                    |
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 Quite disturbing thing just happened to me.

 System: Debian 9, x64, latest updates applied, Tor Browser 7.5 official
 distribution, checksum check passed.

 Description: I open one of the sites which is blocked in Russia and
 suddenly I got redirected to FSB site (Federal Security Services of the
 Russian Federation). I tried to change Tor Circuit — result is the same.
 But... If I restart Tor Browser I worked as expected — blocked site
 opened. I tried several times and roughly speaking only one of 10 is not
 working as expected — redirecting me to FSB.

 Site: https://psb4ukr.org

 I'd love to help though I don't know how to debug Tor.

 Screenshot is attached

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25445>
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