[tbb-bugs] #16561 [Tor Browser]: Tor Browser should retry more circuits before giving up for an address

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Jul 12 14:22:24 UTC 2015

#16561: Tor Browser should retry more circuits before giving up for an address
 Reporter:  s7r          |          Owner:  tbb-team
     Type:  defect       |         Status:  new
 Priority:  normal       |      Milestone:
Component:  Tor Browser  |        Version:
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
 Using Tor Browser 4.5.3. Was trying to load a page, and it kept showing
 Connection cannot be established (like the server was down). The
 destination was outlook.com, so I thought it cannot be down. Refreshed
 many times, the result was the same, Connection cannot be established.

 Realized it has something to do with the Exit node chosen in my circuit
 (Tor Browser isolated that circuit per domain bar and kept retrying it),
 so clicked on Tor Button -> New Circuit for this site. After this it
 worked perfectly fine.

 Would it be better for Tor Browser try 3 different circuits until giving
 up for an adddress? After a working circuit has been found, that one is
 kept for that url domain bar, as per how Tor Browser is currently
 configured. If none of the 3 tried circuits worked, don't keep in memory a
 certain circuit for that address.

 Also see https://lists.torproject.org/pipermail/tor-
 talk/2015-July/038415.html for a Tor Button possible bug.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16561>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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