[tbb-bugs] #19910 [Applications/Tor Browser]: Rip out optimistic data socks handshake variant (#3875)

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Apr 8 18:48:30 UTC 2019

#19910: Rip out optimistic data socks handshake variant (#3875)
 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  closed
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:  fixed
 Keywords:  TorBrowserTeam201802R     |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:

Comment (by gk):

 Replying to [comment:31 cypherpunks]:
 > please don't remove this feature. it's important roundtrip saver for
 interactively clients. if you don't want it, just switch:
 > OptimisticData 0

 The implementation was not really compatible with Mozilla's network stack,
 hence the crashes linked to in this bug. We need a new implementation to
 fix that, not disabling optimistic data in a config file.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19910#comment:32>
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