[tor-bugs] #5535 [Tor Client]: Make clients use "a" lines in network status documents

Tor Bug Tracker & Wiki torproject-admin at torproject.org
Tue Aug 21 15:57:21 UTC 2012


#5535: Make clients use "a" lines in network status documents
-------------------------+--------------------------------------------------
 Reporter:  ln5          |          Owner:  ln5               
     Type:  enhancement  |         Status:  accepted          
 Priority:  normal       |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor Client   |        Version:                    
 Keywords:  ipv6         |         Parent:  #4564             
   Points:               |   Actualpoints:                    
-------------------------+--------------------------------------------------

Comment(by nickm):

 >Nick, do you have an opinion?

 arma: Why have this be a consensus param?  I don't see the utility,
 especially given the not implausible possibility that the first versions
 of the client code to use "a" lines will do so buggily, turning such a
 consensus param into a param which must never be set.

 > When should a client prefer the IPv6 or port of a (non bridge) entry
 node?

 My first thought would be either "never" or "only when told to do so" at
 first.  My rationale is that lots of clients will have IPv6 addresses that
 leak their MAC addresses for a while, and we don't (now) have code to
 detect that yet.

 >Let's try this: Prefer IPv6 if there is an IPv6 OR port but make sure we
 fall back to its IPv4 port if we fail connecting.

 I'm not saying that's wrong, but I'd like to hear your rationale.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5535#comment:8>
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