[tor-bugs] #28655 [Obfuscation/BridgeDB]: If a bridge supports obfs4, don't give out its other flavors

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#28655: If a bridge supports obfs4, don't give out its other flavors
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 Reporter:  arma                  |          Owner:  dgoulet
     Type:  defect                |         Status:  assigned
 Priority:  High                  |      Milestone:
Component:  Obfuscation/BridgeDB  |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:  bridgedb              |  Actual Points:
Parent ID:                        |         Points:  2
 Reviewer:                        |        Sponsor:  Sponsor19
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Comment (by dcf):

 Linking #7439, which is like this ticket, but more comprehensive in that
 it would allow bridges not to expose their ORPort at all, not merely
 prevent BridgeDB from advertising it. That would also prevent mass-
 scanning discovery like
  * https://lists.torproject.org/pipermail/tor-
 dev/2014-December/007957.html
  * https://censorbib.nymity.ch/#Matic2017a

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28655#comment:6>
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