[tor-bugs] #2787 [Tor Relay]: DNS Connection for Non-exits

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#2787: DNS Connection for Non-exits
-----------------------+----------------------------------------------------
 Reporter:  atagar     |          Owner:     
     Type:  defect     |         Status:  new
 Priority:  minor      |      Milestone:     
Component:  Tor Relay  |        Version:     
 Keywords:             |         Parent:     
   Points:             |   Actualpoints:     
-----------------------+----------------------------------------------------
 Hi. When the ORPort is set Tor makes connections to the system's
 resolvers:
 atagar@fenrir:~$ netstat -np | grep "ESTABLISHED 3776/tor"
 ...
 tcp        0      0 10.243.55.20:49947      206.217.215.183:53
 ESTABLISHED 3776/tor
 udp        0      0 10.243.55.20:60630      10.128.128.128:53
 ESTABLISHED 3776/tor

 My understanding is that this is to provide dns resolution for exit
 traffic we're handling. However, these connections are made for both
 exiting and non-exiting relays alike. Functionally this isn't an issue,
 but is probably a little confusing for operators.

 Am I misunderstanding the purpose for these connections? Do they serve a
 purpose for non-exits? I thought it was appropriate to label them as
 belonging to exit traffic in arm but I'll need to rethink this, lest we
 get some very confused non-exit operators. ;)

 Cheers! -Damian

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2787>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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