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

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#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:
 Reviewer:               |        Sponsor:
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Comment (by teor):

 Replying to [comment:15 atagar]:
 > Hi teor, sounds good.
 >
 > > it doesn't respond to an ORPort request
 >
 > Hmmm. We can ping the ORPort but that's about it. DocTor can exercise
 the **DirPort**, but nothing besides tor knows how to talk the ORPort
 protocol. Capability I'd love to have in Stem though. :)
 >
 > So to be clear are you asking for a ORPort ping? DirPort usage? Both?

 Please ping the IPv4 ORPort, download a consensus from the IPv4 DirPort,
 and, when #17298 is done, ping the IPv6 ORPort. (Downloading a consensus
 from the IPv6 DirPort will be unreliable, and should wait for #18394. But
 that's OK, because almost all clients use the ORPort.)

 > > the key doesn't match the one in the fallback list
 >
 > Which key doesn't match? fallback_dirs.inc includes the address,
 dir_port, orport, fingerprint, and weight. Not spotting any keys.

 The fingerprint.
 I guess stem can't check the fingerprint unless it speaks the ORPort
 protocol?

 > > it takes longer than 15 seconds to serve a consensus
 >
 > Sure, can do. I probably won't be getting to this for a while though
 (pretty busy with nyx).
 >
 > > How do I get that email/notification?
 >
 > Specify an address and we'll have DocTor send the notices there.

 teor2345 at gmail.com, and someone else as a backup. I think this should be
 nickm. He needs to know about failing fallbacks so we can decide whether
 to do a new point release, even if I'm the one that updates the fallback
 list.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18177#comment:16>
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