[tor-bugs] #6803 [Torbutton]: Firefox 15-based TBB: "proxy server refusing connections" to check.tpo

[Tor Bug Tracker & Wiki]

#6803: Firefox 15-based TBB: "proxy server refusing connections" to check.tpo
-----------------------------+----------------------------------------------
 Reporter:  erinn            |          Owner:     
     Type:  defect           |         Status:  new
 Priority:  critical         |      Milestone:     
Component:  Torbutton        |        Version:     
 Keywords:  MikePerry201209  |         Parent:     
   Points:                   |   Actualpoints:  2  
-----------------------------+----------------------------------------------

Comment(by mikeperry):

 Ok, more analysis: Something in FF15 definitely is caching proxy settings
 by url. Manually altering my proxy settings to new values allows
 previously loaded urls to still use the old proxy settings. Wow, good
 thing we jumped off the toggle ship early.

 So the reason check.tp.o is failing is because the browser homepage is
 actually attempting to load *before* we set new proxy settings from our
 env vars, which causes it to use the original proxy settings (the
 previously set, now broken ones) for all subsequent loads.

 I can try moving our proxy settings updates to an early-loaded XPCOM
 component and see if that helps...

 The good news is that since they don't use a randomized socks port, I
 think our Windows builds should be fine...

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6803#comment:12>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online