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

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jan 31 08:40:11 UTC 2018

#19910: Rip out optimistic data socks handshake variant (#3875)
 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  TorBrowserTeam201801      |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:

Comment (by arma):

 Ok, I agree that #5915 is a promising direction to explore.

 Maybe this is also a ticket where we should involve our shiny new UX
 group? It would be smart to look at what sorts of error messages you get
 right now out of Tor Browser when Tor fails to establish a connection to
 the desired destination, and compare those to what we could get if we
 trick Tor Browser into thinking that the connection worked, and then if it
 turns out to fail, have Tor essentially mitm the connection and pretend to
 be the browser giving you an error. In particular, what are the situations
 where this idea would break down (SSL? html5? images and videos? more?),
 and what should we do then?

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19910#comment:19>
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