[tor-bugs] #20348 [Metrics/Censorship analysis]: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06

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#20348: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06
-----------------------------------------+--------------------------
 Reporter:  dcf                          |          Owner:
     Type:  project                      |         Status:  reopened
 Priority:  Medium                       |      Milestone:
Component:  Metrics/Censorship analysis  |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  censorship block kz          |  Actual Points:
Parent ID:                               |         Points:
 Reviewer:                               |        Sponsor:
-----------------------------------------+--------------------------

Comment (by dcf):

 I tried traceroute to IP addresses of www.torproject.org. All but one of
 the five addresses (138.201.14.197) got no response past the gateway.
 138.201.14.197 reached all the way to the server (I suppose it would be
 blocked by SNI after that).

 {{{
 $ sudo traceroute -p 80 -T 38.229.72.16
 [sudo] password for user:
 traceroute to 38.229.72.16 (38.229.72.16), 30 hops max, 60 byte packets
  1  10.11.0.1 (10.11.0.1)  289.387 ms  289.218 ms  289.131 ms
  2  185.120.77.1 (185.120.77.1)  289.889 ms  289.813 ms *
  3  * * *
  4  * * *
 ...
 }}}

 {{{
 $ sudo traceroute -p 80 -T 138.201.14.197
 traceroute to 138.201.14.197 (138.201.14.197), 30 hops max, 60 byte
 packets
  1  10.11.0.1 (10.11.0.1)  288.923 ms  288.749 ms  288.621 ms
  2  185.120.77.1 (185.120.77.1)  289.256 ms  289.184 ms *
  3  * * *
  4  * * *
  5  * * *
  6  * * *
  7  * ebg02.transtelecom.net (217.150.44.14)  310.587 ms
 clk06.transtelecom.net (217.150.44.146)  307.215 ms
  8  frt01.transtelecom.net (80.81.194.117)  386.161 ms  386.167 ms
 386.406 ms
  9  gw-rostelecom.hetzner.de (213.133.113.253)  391.029 ms  393.730 ms
 decix-gw.hetzner.de (80.81.192.164)  385.354 ms
 10  core23.hetzner.de (213.239.203.154)  389.342 ms core1.hetzner.de
 (213.239.245.6)  388.749 ms core24.hetzner.de (213.239.229.78)  388.408 ms
 11  ex9k2.rz17.hetzner.de (213.239.229.22)  392.686 ms
 ex9k2.rz17.hetzner.de (213.239.229.18)  389.598 ms  389.584 ms
 12  textile.torproject.org (138.201.66.71)  390.301 ms  390.308 ms
 388.650 ms
 13  textile.torproject.org (138.201.66.71)  392.093 ms
 saxatile.torproject.org (138.201.14.197)  392.037 ms  388.836 ms
 }}}

 {{{
 $ sudo traceroute -p 80 -T 154.35.132.70
 traceroute to 154.35.132.70 (154.35.132.70), 30 hops max, 60 byte packets
  1  10.11.0.1 (10.11.0.1)  288.247 ms  289.137 ms  289.090 ms
  2  185.120.77.1 (185.120.77.1)  289.009 ms  289.185 ms *
  3  * * *
  4  * * *
 ...
 }}}

 {{{
 $ sudo traceroute -p 80 -T 82.195.75.101
 traceroute to 82.195.75.101 (82.195.75.101), 30 hops max, 60 byte packets
  1  10.11.0.1 (10.11.0.1)  288.877 ms  288.707 ms  289.671 ms
  2  185.120.77.1 (185.120.77.1)  289.623 ms  289.547 ms *
  3  * * *
  4  * * *
 ...
 }}}

 {{{
 $ sudo traceroute -p 80 -T 86.59.30.40
 traceroute to 86.59.30.40 (86.59.30.40), 30 hops max, 60 byte packets
  1  10.11.0.1 (10.11.0.1)  291.016 ms  291.652 ms  291.601 ms
  2  185.120.77.1 (185.120.77.1)  291.882 ms  291.432 ms  291.749 ms
  3  * * *
  4  * * *
 ...
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20348#comment:168>
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