[tbb-bugs] #22429 [Applications/Tor Browser]: bridge: Add Lisbeth IPv6 address

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Jun 2 14:40:49 UTC 2017

#22429: bridge: Add Lisbeth IPv6 address
 Reporter:  dgoulet                            |          Owner:  tbb-team
     Type:  enhancement                        |         Status:  closed
 Priority:  Medium                             |      Milestone:
Component:  Applications/Tor Browser           |        Version:
 Severity:  Normal                             |     Resolution:  fixed
 Keywords:  tbb-bridges TorBrowserTeam201706R  |  Actual Points:
Parent ID:                                     |         Points:
 Reviewer:                                     |        Sponsor:

Comment (by arma):

 Replying to [comment:5 dcf]:
 > I don't know exactly how it works, but Tor Browser seems to choose more
 than one bridge. For example, in my browser right now, the log mentions
 GreenBelt, Azadi, MaBishomarim, cymrubridge31, Lisbeth, noether,
 cymrubridge33, NX01, ndnop5.

 The design as I understood it (hopefully it hasn't changed) is that when
 you choose a class of bridges, Tor Browser tells Tor about all of those
 bridges, and then it's up to Tor to use them smartly.

 Tor tries to fetch a descriptor from each bridge every 15 minutes or
 something, to keep up to date. Separate from that, it tries to use the
 entry guard algorithm to focus its 3-hop circuits on only one or a few of
 the bridges.

 So you should see descriptor refresh messages for each bridge every so
 often, or failure messages if there's something wrong with the bridge, for
 every bridge that Tor Browser tells Tor.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22429#comment:6>
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