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Re: [tor-bugs] #18505 [Tor Check]: Tor Check false negative

Subject: Re: [tor-bugs] #18505 [Tor Check]: Tor Check false negative
From: "Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>
Date: Thu, 10 Mar 2016 01:58:23 -0000
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#18505: Tor Check false negative
-----------------------+---------------------------
 Reporter:  ctbu       |          Owner:  arlolra
     Type:  defect     |         Status:  closed
 Priority:  Medium     |      Milestone:
Component:  Tor Check  |        Version:
 Severity:  Normal     |     Resolution:  duplicate
 Keywords:             |  Actual Points:
Parent ID:             |         Points:
 Reviewer:             |        Sponsor:
-----------------------+---------------------------
Changes (by arlolra):

 * status:  new => closed
 * resolution:   => duplicate


Comment:

 Thanks for reporting.

 Below is the output from recent exitlists for this node. Around
 `2016-03-08-20-04-01` its ExitAddress changes, which roughly corresponds
 with the time of the report here. It took some time but check eventually
 caught up. The exit scanner considers its results valid for up to 48hrs
 and doesn't always rescan at each consensus (notice the times the test was
 performed on the ExitAddress lines).

 There's a detailed answer on stackexchange about false negatives worth
 perusing http://tor.stackexchange.com/a/873

 {{{
 ls | xargs grep -A 3 "6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67"

 2016-03-08-02-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-02-04-01-Published 2016-03-07 19:05:25
 2016-03-08-02-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-02-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-03-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-03-04-01-Published 2016-03-07 19:05:25
 2016-03-08-03-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-03-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-04-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-04-04-01-Published 2016-03-07 19:05:25
 2016-03-08-04-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-04-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-05-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-05-04-01-Published 2016-03-07 19:05:25
 2016-03-08-05-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-05-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-06-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-06-04-01-Published 2016-03-07 19:05:25
 2016-03-08-06-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-06-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-07-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-07-04-01-Published 2016-03-07 19:05:25
 2016-03-08-07-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-07-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-08-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-08-04-01-Published 2016-03-07 19:05:25
 2016-03-08-08-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-08-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-09-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-09-04-01-Published 2016-03-07 19:05:25
 2016-03-08-09-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-09-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-10-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-10-04-01-Published 2016-03-07 19:05:25
 2016-03-08-10-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-10-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-11-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-11-04-01-Published 2016-03-07 19:05:25
 2016-03-08-11-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-11-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-12-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-12-04-01-Published 2016-03-07 19:05:25
 2016-03-08-12-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-12-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-13-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-13-04-01-Published 2016-03-07 19:05:25
 2016-03-08-13-04-01-LastStatus 2016-03-07 20:02:44
 2016-03-08-13-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-14-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-14-04-01-Published 2016-03-07 19:05:25
 2016-03-08-14-04-01-LastStatus 2016-03-08 14:02:53
 2016-03-08-14-04-01-ExitAddress 84.132.58.98 2016-03-07 20:08:37
 --
 2016-03-08-15-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-15-04-01-Published 2016-03-08 13:06:07
 2016-03-08-15-04-01-LastStatus 2016-03-08 14:02:53
 2016-03-08-15-04-01-ExitAddress 84.132.58.98 2016-03-08 14:04:06
 --
 2016-03-08-16-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-16-04-01-Published 2016-03-08 13:06:07
 2016-03-08-16-04-01-LastStatus 2016-03-08 14:02:53
 2016-03-08-16-04-01-ExitAddress 84.132.58.98 2016-03-08 14:04:06
 --
 2016-03-08-17-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-17-04-01-Published 2016-03-08 13:06:07
 2016-03-08-17-04-01-LastStatus 2016-03-08 14:02:53
 2016-03-08-17-04-01-ExitAddress 84.132.58.98 2016-03-08 14:04:06
 --
 2016-03-08-18-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-18-04-01-Published 2016-03-08 13:06:07
 2016-03-08-18-04-01-LastStatus 2016-03-08 14:02:53
 2016-03-08-18-04-01-ExitAddress 84.132.58.98 2016-03-08 14:04:06
 --
 2016-03-08-19-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-19-04-01-Published 2016-03-08 13:06:07
 2016-03-08-19-04-01-LastStatus 2016-03-08 14:02:53
 2016-03-08-19-04-01-ExitAddress 84.132.58.98 2016-03-08 14:04:06
 --
 2016-03-08-20-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-20-04-01-Published 2016-03-08 13:06:07
 2016-03-08-20-04-01-LastStatus 2016-03-08 14:02:53
 2016-03-08-20-04-01-ExitAddress 84.132.58.98 2016-03-08 14:04:06
 --
 2016-03-08-21-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-21-04-01-Published 2016-03-08 19:04:48
 2016-03-08-21-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-08-21-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-08-22-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-22-04-01-Published 2016-03-08 19:04:48
 2016-03-08-22-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-08-22-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-08-23-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-08-23-04-01-Published 2016-03-08 19:04:48
 2016-03-08-23-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-08-23-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-00-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-00-04-01-Published 2016-03-08 19:04:48
 2016-03-09-00-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-00-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-01-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-01-04-01-Published 2016-03-08 19:04:48
 2016-03-09-01-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-01-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-02-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-02-04-01-Published 2016-03-08 19:04:48
 2016-03-09-02-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-02-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-03-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-03-04-01-Published 2016-03-08 19:04:48
 2016-03-09-03-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-03-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-04-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-04-04-01-Published 2016-03-08 19:04:48
 2016-03-09-04-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-04-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-05-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-05-04-01-Published 2016-03-08 19:04:48
 2016-03-09-05-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-05-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-06-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-06-04-01-Published 2016-03-08 19:04:48
 2016-03-09-06-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-06-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-07-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-07-04-01-Published 2016-03-08 19:04:48
 2016-03-09-07-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-07-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-08-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-08-04-01-Published 2016-03-08 19:04:48
 2016-03-09-08-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-08-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-09-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-09-04-01-Published 2016-03-08 19:04:48
 2016-03-09-09-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-09-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-10-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-10-04-01-Published 2016-03-08 19:04:48
 2016-03-09-10-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-10-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-11-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-11-04-01-Published 2016-03-08 19:04:48
 2016-03-09-11-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-11-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-12-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-12-04-01-Published 2016-03-08 19:04:48
 2016-03-09-12-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-12-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-13-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-13-04-01-Published 2016-03-08 19:04:48
 2016-03-09-13-04-01-LastStatus 2016-03-08 20:04:25
 2016-03-09-13-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-14-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-14-04-01-Published 2016-03-08 19:04:48
 2016-03-09-14-04-01-LastStatus 2016-03-09 14:03:10
 2016-03-09-14-04-01-ExitAddress 84.132.36.76 2016-03-08 20:10:40
 --
 2016-03-09-15-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-15-04-01-Published 2016-03-09 13:05:43
 2016-03-09-15-04-01-LastStatus 2016-03-09 14:03:10
 2016-03-09-15-04-01-ExitAddress 84.132.36.76 2016-03-09 14:11:12
 --
 2016-03-09-16-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-16-04-01-Published 2016-03-09 13:05:43
 2016-03-09-16-04-01-LastStatus 2016-03-09 14:03:10
 2016-03-09-16-04-01-ExitAddress 84.132.36.76 2016-03-09 14:11:12
 --
 2016-03-09-17-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-17-04-01-Published 2016-03-09 13:05:43
 2016-03-09-17-04-01-LastStatus 2016-03-09 14:03:10
 2016-03-09-17-04-01-ExitAddress 84.132.36.76 2016-03-09 14:11:12
 --
 2016-03-09-18-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-18-04-01-Published 2016-03-09 13:05:43
 2016-03-09-18-04-01-LastStatus 2016-03-09 14:03:10
 2016-03-09-18-04-01-ExitAddress 84.132.36.76 2016-03-09 14:11:12
 --
 2016-03-09-19-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-19-04-01-Published 2016-03-09 13:05:43
 2016-03-09-19-04-01-LastStatus 2016-03-09 14:03:10
 2016-03-09-19-04-01-ExitAddress 84.132.36.76 2016-03-09 14:11:12
 --
 2016-03-09-20-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-20-04-01-Published 2016-03-09 13:05:43
 2016-03-09-20-04-01-LastStatus 2016-03-09 20:03:10
 2016-03-09-20-04-01-ExitAddress 84.132.36.76 2016-03-09 14:11:12
 --
 2016-03-09-21-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-21-04-01-Published 2016-03-09 19:03:37
 2016-03-09-21-04-01-LastStatus 2016-03-09 20:03:10
 2016-03-09-21-04-01-ExitAddress 87.169.113.69 2016-03-09 20:11:28
 --
 2016-03-09-22-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-22-04-01-Published 2016-03-09 19:03:37
 2016-03-09-22-04-01-LastStatus 2016-03-09 20:03:10
 2016-03-09-22-04-01-ExitAddress 87.169.113.69 2016-03-09 20:11:28
 --
 2016-03-09-23-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-09-23-04-01-Published 2016-03-09 19:03:37
 2016-03-09-23-04-01-LastStatus 2016-03-09 20:03:10
 2016-03-09-23-04-01-ExitAddress 87.169.113.69 2016-03-09 20:11:28
 --
 2016-03-10-00-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-10-00-04-01-Published 2016-03-09 19:03:37
 2016-03-10-00-04-01-LastStatus 2016-03-09 20:03:10
 2016-03-10-00-04-01-ExitAddress 87.169.113.69 2016-03-09 20:11:28
 --
 2016-03-10-01-04-01:ExitNode 6ACC742992B4D4B2B2F8ECE1E54D22BA5138BE67
 2016-03-10-01-04-01-Published 2016-03-09 19:03:37
 2016-03-10-01-04-01-LastStatus 2016-03-09 20:03:10
 2016-03-10-01-04-01-ExitAddress 87.169.113.69 2016-03-09 20:11:28
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18505#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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References:
- [tor-bugs] #18505 [Tor Browser]: Traffic not routed through TOR network
  - From: Tor Bug Tracker & Wiki

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