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Re: [tor-bugs] #6790 [Tor Directory Authority]: Directory mirrors should accept, aggregate and hand off descriptors to dirauths



#6790: Directory mirrors should accept, aggregate and hand off descriptors to
dirauths
-------------------------------------+--------------------------------------
 Reporter:  mikeperry                |          Owner:       
     Type:  enhancement              |         Status:  new  
 Priority:  normal                   |      Milestone:       
Component:  Tor Directory Authority  |        Version:       
 Keywords:                           |         Parent:  #2664
   Points:                           |   Actualpoints:       
-------------------------------------+--------------------------------------

Comment(by mikeperry):

 Other thoughts: The aggreation/de-dupping step should also include the
 usual orport tests done by the dirauths themselves, to reduce the burden
 on the dirauths.

 The other reason to prefer a push method is that we could simply re-use
 the dirauth code that accepts descriptors currently, but relax it to allow
 descriptors to come from any valid dir mirror currently listed in the
 consensus.

 If misbehaving dir mirrors begin participating in the DoS by submitting
 unreachable or otherwise bogus unverified descriptors, they could be added
 to the firewall or to de-listed in approved-routers in an ad-hoc fashion
 by the dirauth operator.

 It may also be the case that this would also allow misbehaving dir mirrors
 to induce a form of portscan bounce through the dirauths by spoofing
 descriptors, but the existing two-descriptor-per-IP limits should mitigate
 that, I think.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6790#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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