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Re: [tor-bugs] #2357 [Tor Bridge]: ReachableAddresses ignored when playing with bridges using Vidalia



#2357: ReachableAddresses ignored when playing with bridges using Vidalia
------------------------+---------------------------------------------------
 Reporter:  anonym      |          Owner:  arma              
     Type:  defect      |         Status:  assigned          
 Priority:  normal      |      Milestone:  Tor: 0.2.2.x-final
Component:  Tor Bridge  |        Version:  Tor: 0.2.1.26     
 Keywords:              |         Parent:                    
   Points:              |   Actualpoints:                    
------------------------+---------------------------------------------------

Comment(by anonym):

 Replying to [comment:4 arma]:
 > Replying to [ticket:2357 anonym]:
 > > 3. I start Vidalia and add a bridge. Tor immediately bootstraps and
 all connections to the Tor network are made through the bridge (verified
 with packet sniffer) as expected (except that the bridge connection is
 exempt from !ReachableAddresses, see ticket #2356).
 >
 > See my explanation on #2356: when you click 'ok' from Vidalia, Vidalia
 sets your ReachableAddresses as well as your Bridges, to the settings
 you've configured with Vidalia.

 Yup. That's a game changer, so I believe this bug is invalid.

 > > 4. I restart Tor. Tor hangs on "Bootstrapping 85%" according to the
 log, accompanied by the notices:
 > >
 > >     Notice: no known bridge descriptors running yet; stalling
 > >
 > > and
 > >
 > >     Notice: Our directory information is no longer up-to-date
 > >     enough to build circuits: No live bridge descriptors.
 > >
 > > What's Tor's problem with the bridge (I have verified that the bridge
 works on another system)?
 >
 > How did you restart Tor? Presumably from inside Vidalia, by clicking
 'stop tor' and 'start tor'? Is your Vidalia/Tor configuration such that
 when you finished step 3, it overwrite Tor's torrc file? If yes, your
 ReachableAddresses line should be gone. If no, Vidalia remembered the
 changes it tried to get your Tor to saveconf, and applied them anew the
 next time you asked it to start Tor.

 I always run Tor as a system-wide instance and only let Vidalia control it
 through the control port. When I start/stop Tor I do it with the init
 script, and I always (by necessity) do that before I start Vidalia.
 Vidalia is run by a normal user, and torrc is owned by root, so Vidalia
 can't change it.

 Case closed I think. As I said in #2356, I worked under faulty assumptions
 on how Vidalia deals with options in torrc. I guess Vidalia is mostly
 designed for the case when it starts/stops the Tor process and thus has
 full control/ownership of it and torrc, and that there are some
 inconsistencies w.r.t. importing settings from torrc when handling a
 system instance (as in the Tails case).

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2357#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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