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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:  tor-client, 025-triaged needs-
   Resolution:           |  insight
Actual Points:           |  Parent ID:
       Points:           |
-------------------------+-------------------------------------------------

Comment (by robink):

 I haven't noticed this before - but I experience this as well, running
 0.2.5.8-rc '''non-exit''' using Google DNS, average around 1.5 Mb/sec.


 My log (short uptime of tor is because of the upgraded tor package):
 {{{
 Sep 28 14:14:38.000 [notice] Heartbeat: Tor's uptime is 3 days 6:00 hours,
 with 403 circuits open. I've sent 51.91 GB and received 49.34 GB.
 Sep 28 14:14:38.000 [notice] Average packaged cell fullness: 98.948%
 Sep 28 14:14:38.000 [notice] TLS write overhead: 5%
 Sep 28 14:14:38.000 [notice] Circuit handshake stats since last time:
 21558/21558 TAP, 8622/8622 NTor.
 Sep 28 14:16:14.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 28 15:14:41.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 28 20:14:38.000 [notice] Heartbeat: Tor's uptime is 3 days 12:00
 hours, with 447 circuits open. I've sent 55.19 GB and received 52.35 GB.
 Sep 28 20:14:38.000 [notice] Average packaged cell fullness: 98.945%
 Sep 28 20:14:38.000 [notice] TLS write overhead: 5%
 Sep 28 20:14:38.000 [notice] Circuit handshake stats since last time:
 25245/25245 TAP, 9413/9413 NTor.
 Sep 28 22:37:04.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 28 22:51:32.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 28 23:48:50.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 29 02:14:38.000 [notice] Heartbeat: Tor's uptime is 3 days 18:00
 hours, with 386 circuits open. I've sent 58.69 GB and received 55.67 GB.
 Sep 29 02:14:38.000 [notice] Average packaged cell fullness: 98.940%
 Sep 29 02:14:38.000 [notice] TLS write overhead: 5%
 Sep 29 02:14:38.000 [notice] Circuit handshake stats since last time:
 18047/18047 TAP, 9571/9571 NTor.
 Sep 29 08:14:30.000 [notice] Caching new entry debian-tor for debian-tor
 Sep 29 08:14:38.000 [notice] Heartbeat: Tor's uptime is 4 days 0:00 hours,
 with 439 circuits open. I've sent 61.63 GB and received 58.46 GB.
 Sep 29 08:14:38.000 [notice] Average packaged cell fullness: 98.934%
 Sep 29 08:14:38.000 [notice] TLS write overhead: 5%
 Sep 29 08:14:38.000 [notice] Circuit handshake stats since last time:
 17822/17822 TAP, 10663/10663 NTor.
 Sep 29 08:20:13.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 29 08:35:48.000 [notice] New control connection opened.
 Sep 29 08:36:16.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 29 08:37:14.000 [notice] New control connection opened.
 Sep 29 08:39:09.000 [notice] New control connection opened.
 Sep 29 08:46:51.000 [warn] Unexpected sendme cell from client. Closing
 circ (window 1000).
 Sep 29 08:57:17.000 [notice] New control connection opened.
 Sep 29 08:58:55.000 [notice] New control connection opened.
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8093#comment:33>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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