[tor-bugs] #17998 [Tor Browser]: Mystery of the Unintended Exit Node

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Jan 5 00:11:29 UTC 2016

#17998: Mystery of the Unintended Exit Node
     Reporter:  fxs          |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  High         |  Milestone:
    Component:  Tor Browser  |    Version:
     Severity:  Major        |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
 I was doing some "research" while I noticed something interesting in some
 HTTP requests I was making to my own server from the Tor Browser Bundle.
 Most of the time, HTTP requests to a site I owned appeared to "stray" from
 their intended circuits/exits and might possibly be exiting through nodes
 that aren't in the current circuit.

 I've attached an image to try and explain what I'm seeing. I've tested
 this a few times, and it looks like the "rogue" (for lack of a better
 word) changes depending on the current circuit path. I'm interested in
 knowing if anyone else is seeing this type of behavior.

 5.0.6 (based on Mozilla Firefox 38.5.0)

 Default torrc file aside from a few "ExcludeNodes" entries.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17998>
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