[tor-bugs] #28521 [Obfuscation/FTE]: fte is not working using default tor browser bridges

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#28521: fte is not working using default tor browser bridges
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 Reporter:  boklm            |          Owner:  kpdyer
     Type:  defect           |         Status:  needs_information
 Priority:  Medium           |      Milestone:
Component:  Obfuscation/FTE  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:                   |         Points:
 Reviewer:                   |        Sponsor:
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Comment (by dcf):

 Replying to [comment:7 gk]:
 > Replying to [comment:3 dcf]:
 > > I wanted to know the start dates of the outages for Metrics Timeline
 purposes, so I made a graph of OONI tcp_connect tor_bridge_reachability
 measurements.
 > >
 > > Ignore the top line for 192.240.101.106:80 -- that bridge was removed
 in #18976. Of the others,
 > >  * 131.252.210.150:8080 is online
 >
 > How is that measured actually? Because I have tried to use FTE default
 bridges in the last couple of days in Tor Browser and connecting to even
 that one is timing out all the time. Thus, there is currently none of the
 FTE bridges working we ship. Have you tested Tor Browser to reproduce the
 "online" result? Or maybe there is a bug in Tor Browser and that bridge is
 indeed working as it should...

 No, I did not test it in Tor Browser. I'm sorry for giving a misleading
 impression, the tcp_connect test only checks TCP connectivity, not
 anything at the application layer. That's all I meant by "online".

 > Maybe OONI's tcp_connect test does not say that much in this case which
 would be interesting I guess...

 I was interested in knowing how long the bridges had been offline. This
 ticket was the wrong place to do it...

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28521#comment:9>
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