Changes between Version 11 and Version 12 of doc/OONI/censorshipwiki


Ignore:
Timestamp:
Jun 16, 2012, 6:47:28 PM (7 years ago)
Author:
phw
Comment:

Extended section about kazakhstan.

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  • doc/OONI/censorshipwiki

    v11 v12  
    3131
    3232== DUMP UNDER HERE ==
     33----
     34== Template ==
     35=== Summary of the current situation ===
     36Short summary about current situation.
     37=== First witnessed ===
     38When was the block first witnessed?
     39=== Last witnessed ===
     40When was it witnessed the last time?
     41=== Types of Tor censorship ===
     42What kind of censorship technology is used? IP block? DPI? Web site block?
     43=== Types of non-Tor censorship ===
     44What else is blocked except from Tor?
     45=== Ways to bypass censorship ===
     46Which documented ways are there to evade the block?
     47=== Type of firewall ===
     48Is anything known about the censor's boxes?
    3349
    3450----
     
    6581=== Type of firewall ===
    6682 * The Great Firewall Of China
    67  * Manufacturer: China
     83 * '''Manufacturer''': China. There are probably no off-the-shelf products.
    6884
    6985----
     
    8197=== Type of Tor censorship ===
    8298 * '''Deep packet inspection''': #6045
    83   * '''Fingerprint''': Multiple strings in the Tor TLS server hello record (#6045)
     99  * '''Fingerprint''': Multiple strings in the Tor TLS server hello record are matched (#6045). If a packet matches, it is dropped.
    84100
    85101=== Types of non-Tor censorship ===
     
    93109 * '''Manufactorer''': Not sure yet. ZTE?
    94110
    95 '''Kazakhstan (#6140)'''
     111----
     112== Kazakhstan (#6140) ==
    96113
    97 Type of Censorship:
    98       - DPI: #6140
    99         - Fingerprint: The Tor ClientHello cipher list && Parts of the Tor ServerHello TLS record (#6140 XXX)
     114=== Summary of the current situation ===
     115Short summary about current situation.
     116=== First witnessed ===
     117The block started between [https://metrics.torproject.org/users.html?graph=direct-users&start=2011-10-01&end=2012-05-01&country=kz&dpi=72#direct-users February and March 2012] and is mentioned in a [https://blog.torproject.org/blog/kazakhstan-upgrades-censorship-deep-packet-inspection blog post]. Another [https://blog.torproject.org/blog/updates-kazakhstan-internet-censorship blog post] was published two weeks afterwards.
     118=== Last witnessed ===
     119The block is still ongoing.
     120=== Types of Tor censorship ===
     121 * '''Deep packet inspection''': #6140
     122  * '''Fingerprint''': The Tor TLS client hello cipher list and parts of the Tor TLS server hello record (#6140)
     123=== Types of non-Tor censorship ===
     124 * Unknown.
     125=== Ways to bypass censorship ===
     126 * https://gitweb.torproject.org/torspec.git/blob/HEAD:/proposals/198-restore-clienthello-semantics.txt
     127 * [https://www.torproject.org/projects/obfsproxy.html.en Obfsproxy] probably evades the DPI boxes too.
     128=== Type of firewall ===
     129 * Unknown.
    100130
    101 Types of non-Tor censorship:
    102 XXX
    103 
    104 Ways to bypass censorship:
    105       - https://gitweb.torproject.org/torspec.git/blob/HEAD:/proposals/198-restore-clienthello-semantics.txt
    106 
    107 Type of Firewall:
    108       - XXX
    109 
    110