[tor-bugs] #20769 [Applications/Tor Browser]: TB on Windows: Fails to connect to socks proxy

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#20769: TB on Windows: Fails to connect to socks proxy
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 Reporter:  mrphs                     |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by mcs):

 Replying to [comment:4 mrphs]:
 > It indeed seems to be some user mistake, though I can't point it out. It
 might be a general proxy setting applied by some other circumvention tool
 or proxy. Does Tor Browser honor a generally set proxy in Windows?

 No, Tor Browser does not look at OS proxy settings (although doing so
 might make initial set up easier for some people).

 > As a side note, this makes me think maybe we should have better error
 handling when Tor doesn't connect. Tor itself writes pretty good logs, but
 Tor Browser doesn't necessarily communicates them with user in a tangible
 way that general user can understand. I can think of an error like this
 popping up and while saying Tor was unable to connect, asks users if
 they've any other application or proxy setup that is intervening.

 I think interpreting the Tor log messages is something that would be hard
 to get right. But we should at least make it easier to see the errors and
 warnings. Related tickets: #9516, #9675, #12733.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20769#comment:5>
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