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

Wed Dec 21 21:04:11 UTC 2016

#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:
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Comment (by dcf):

 Replying to [comment:159 dcf]:
 > Replying to [comment:156 cypherpunks]:
 > > Redirect generated by KZ box for blocked site:
 > > https://paste.debian.net/plainh/39d8508f
 > > (can't paste here for spam filter block)
 >
 > {{{
 > HTTP/1.1 302 Found\r\n
 > }}}

 kzblocked found a similar 302 redirect in a Stack Overflow question,
 apparently from a www.google.co.in frontend server:

 https://stackoverflow.com/questions/29861189/302-found-response-for-
 google-com
 {{{
 HTTP/1.1 302 Found
 Cache-Control: private
 Content-Type: text/html; charset=UTF-8
 Location: http://www.google.co.in/?gfe_rd=cr&ei=Uhw7Vbe6H_PI8Ae_qICIBA
 Content-Length: 261
 Date: Sat, 25 Apr 2015 04:47:14 GMT
 Server: GFE/2.0
 Alternate-Protocol: 80:quic,p=1

 <HTML><HEAD><meta http-equiv="content-type"
 content="text/html;charset=utf-8">
 <TITLE>302 Moved</TITLE></HEAD><BODY>
 <H1>302 Moved</H1>
 The document has moved
 <A
 HREF="http://www.google.co.in/?gfe_rd=cr&ei=Uhw7Vbe6H_PI8Ae_qICIBA">here</A>.
 </BODY></HTML>
 }}}

 The header is rather different; also notice `302 Moved` rather than `302
 Found` in the HTML body.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20348#comment:174>
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