[tor-bugs] #33018 [Core Tor/Tor]: Dir auths using an unsustainable 400+ mbit/s, need to diagnose and fix

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Jan 23 04:31:18 UTC 2020

#33018: Dir auths using an unsustainable 400+ mbit/s, need to diagnose and fix
 Reporter:  arma                       |          Owner:  (none)
     Type:  defect                     |         Status:  new
 Priority:  Medium                     |      Milestone:  Tor:
                                       |  0.4.3.x-final
Component:  Core Tor/Tor               |        Version:
 Severity:  Normal                     |     Resolution:
 Keywords:  network-health 043-should  |  Actual Points:
Parent ID:                             |         Points:
 Reviewer:                             |        Sponsor:

Comment (by Sebastian):

 Replying to [comment:8 teor]:
 > Replying to [comment:2 Sebastian]:
 > > I am not concerned about relays connecting from a wrong IP address. I
 basically feel like that shouldn't even be possible configuration-wise
 > Relays can set different addresses in the Address and
 OutboundBindAddress options, and their inbound and outbound traffic will
 be on different addresses. Some operators use these options, others put
 their Address on a non-default route.
 > So we do need to consider this case, particularly when relays are trying
 to discover their own IP address from an authority. But relays should fall
 back to discovering their address and getting a consensus from other
 relays, if all the authorities fail.
 > So maybe it will work anyway? We should do a test to make sure.

 I know these kinds of configurations are possible, but why is that and why
 are we OK with it. That's my point here, we should IMO change your stance
 to this being not supported behaviour.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33018#comment:12>
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