[tor-bugs] #18177 [DocTor]: Check Fallback Directory IPv4 and IPv6 addresses using DocTor

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Feb 22 04:10:19 UTC 2016

#18177: Check Fallback Directory IPv4 and IPv6 addresses using DocTor
 Reporter:  teor         |          Owner:  atagar
     Type:  enhancement  |         Status:  reopened
 Priority:  Medium       |      Milestone:
Component:  DocTor       |        Version:
 Severity:  Normal       |     Resolution:
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
  Sponsor:               |
Changes (by teor):

 * status:  closed => reopened
 * resolution:  implemented =>


 Replying to [comment:8 atagar]:
 > Thanks teor! Done, but with a lot of
 expansion over what you asked]. Stem now has a FallbackDirectory class
 with two methods for getting this information...
 > *
 FallbackDirectory.from_remote()] reads the latest fallback_dirs.inc from
 gitweb, providing the latest fallback directories in tor's master branch.
 > *
 FallbackDirectory.from_cache()] provides the latest fallback directories
 Stem has cached. This is only as up-to-date as your Stem release but is
 quicker and avoids relying on gitweb.

 In #16774, we added the fallback directories to GETINFO defaults. Tor and later should be able to tell stem the fallback
 directories this way as well.

 > * Stem's descriptor.remote module now puts less load on the directory
 authorities since it uses fallback directories as well.

 FYI, tor currently tries to connect to 3 fallback directories in the first
 few seconds, then tries an authority. It downloads from the first one that
 connects, and cancels the others. See #4483.

 > Downloading the consensus took 30.80 from eriador

 That's not good, can doctor please report any fallback directories that
 take a relatively long amount of time to serve a consensus (like doctor
 does for the authorities), and report any that take more than 10 seconds?

 How can I get on a list that gets this output, or will it appear on IRC in

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18177#comment:9>
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