[tor-bugs] #21394 [Core Tor/Tor]: connection timeouts are affecting Tor Browser usability

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Nov 30 23:49:05 UTC 2017


#21394: connection timeouts are affecting Tor Browser usability
-------------------------------------------------+-------------------------
 Reporter:  arthuredelstein                      |          Owner:  (none)
     Type:  defect                               |         Status:
                                                 |  reopened
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  0.3.1.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  029-backport 030-backport            |  Actual Points:
  031-backport tbb-performance, tbb-usability,   |
  performance, tbb-needs                         |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by Dhalgren):

 A correct patch will be only slightly larger than the existing patch.
 Adding tuneable parameters is trivial, requires one line for each in or.h
 and in config.c, and one expression to obtain the value.

 The current patch discards successful DNS replies that arrive between 5
 and 15 seconds and while the percentage of queries affected is small, the
 behavior is incorrect.  If an operator configures a single `named`
 resolver, no retries whatsoever are attempted.  0.2.9 will be around for
 two more years and a minor incremental effort towards correctness seems in
 order.

 My experience with open source is core developers generally feel compelled
 to change everything contributed to "make it theirs," without involving
 the contributor; has left me nonplussed.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21394#comment:76>
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