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Re: [tor-bugs] #8093 [Tor]: Jan 29 23:32:20.066 [Warning] Bug/attack: unexpected sendme cell from client. Closing circ.

#8093: Jan 29 23:32:20.066 [Warning] Bug/attack: unexpected sendme cell from
client. Closing circ.
-------------------------+-------------------------------------------------
     Reporter:           |      Owner:  nickm
  Gravitas               |     Status:  new
         Type:  defect   |  Milestone:  Tor: 0.2.???
     Priority:  normal   |    Version:  Tor: 0.2.4.9-alpha
    Component:  Tor      |   Keywords:  spammy-warnings, tor-client,
   Resolution:           |  025-triaged needs-insight
Actual Points:           |  Parent ID:
       Points:           |
-------------------------+-------------------------------------------------

Comment (by arma):

 Replying to [comment:39 cypherpunks]:
 > From the timing of when these warnings occur, it's likely to be an
 attack. Is there a way to log where it's received from?

 I don't follow your logic here. What does the timing of the warnings have
 to do with whether it's an attack?

 Anybody can cause these warnings to appear, just by sending a sending cell
 before you've received 100 relay data cells from that relay yet.

 I wonder if Orchid (the Java Tor client) is doing this.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8093#comment:42>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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