[tor-bugs] #8511 [Firefox Patch Issues]: Firefox caches proxy settings per hosts

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#8511: Firefox caches proxy settings per hosts
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 Reporter:  mikeperry              |          Owner:  mikeperry
     Type:  defect                 |         Status:  new      
 Priority:  normal                 |      Milestone:           
Component:  Firefox Patch Issues   |        Version:           
 Keywords:  tbb-rebase-regression  |         Parent:           
   Points:                         |   Actualpoints:           
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 It turns out Firefox now caches proxy settings per host.

 This causes us problems when people reconfigure their proxy settings, and
 also during startup when we change our proxy settings based on the
 environment variables from Vidalia. This change in proxy settings
 sometimes happens after the browser has already attempted to connect to
 check.torproject.org for the HTTPS-Everywhere Tor test, which then causes
 check.torproject.org to forever use the old proxy settings.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8511>
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