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Re: [tor-bugs] #18580 [Tor]: exit relay fails with 'unbound' DNS resolver when lots of requests time-out

#18580: exit relay fails with 'unbound' DNS resolver when lots of requests time-out
----------------------+------------------------------
 Reporter:  Dhalgren  |          Owner:
     Type:  defect    |         Status:  new
 Priority:  Medium    |      Milestone:
Component:  Tor       |        Version:  Tor: 0.2.7.6
 Severity:  Major     |     Resolution:
 Keywords:            |  Actual Points:
Parent ID:            |         Points:
 Reviewer:            |        Sponsor:  None
----------------------+------------------------------

Comment (by Dhalgren):

 With Unbound running I did positively confirm that

    time dig @127.0.0.1 +tries=1 +time=20 <domain on non-responding NS
 server>

 goes 20 seconds and quits with no response from the resolver where with
 'named' the same command shows the resolver sending back a SERVFAIL at 10
 seconds.  In the above scenario 'unbound-control dump_requestlist' shows
 the requested domain for the 120 seconds that Unbound attempts to resolve
 it.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18580#comment:16>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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