[tbb-bugs] #25770 [Applications/Tor Browser]: Connection established before External App Blocker prompt

[Tor Bug Tracker & Wiki]

#25770: Connection established before External App Blocker prompt
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 Reporter:  sysrqb                    |          Owner:  tbb-team
     Type:  defect                    |         Status:  closed
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:  wontfix
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by sysrqb):

 Replying to [comment:2 gk]:
 > Another important thing to mention here although, looking at your log
 snippet, I am not sure whether it fits: the Torbutton log output is not
 necessarily saying the truth about whether actual connections got made. In
 particular if it is indicating that speculative connections are made
 chances are pretty high that this did not happen. For an analysis see:
 comment:3:ticket:18762 which was affecting a bunch of bugs (e.g. #16324).

 And just as a follow up on this, it is possible the OCSP request is not
 actually happening. I didn't confirm this with tcpdump, however the
 speculative connection and download is happening and I confirmed  with
 tcpdump and server-side logs before opening #25773.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25770#comment:4>
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