[tor-bugs] #2837 [Torbutton]: Torbutton's âbanned portsâ make it detectable when off

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#2837: Torbutton's âbanned portsâ make it detectable when off
-----------------------+----------------------------------------------------
 Reporter:  rransom    |          Owner:  mikeperry
     Type:  defect     |         Status:  new      
 Priority:  normal     |      Milestone:           
Component:  Torbutton  |        Version:           
 Keywords:             |         Parent:           
   Points:             |   Actualpoints:           
-----------------------+----------------------------------------------------
 Torbutton leaves ports 8118, 8123, 9050, and 9051 in Firefox's âbanned
 portsâ list when it is disabled.  A web server can use this fact to detect
 Torbutton's presence, even in non-Tor mode, by telling a user's browser to
 connect to it on multiple ports, including those âbannedâ by Torbutton.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2837>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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