tor-webwml.git

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2) # Revision: $Revision$
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5) #include "head.wmi" TITLE="Tor Project: obfsproxy" CHARSET="UTF-8"
6) <div id="content" class="clearfix">
7)   <div id="breadcrumbs">
8)     <a href="<page index>">Home &raquo; </a>
9)     <a href="<page projects/projects>">Projects &raquo; </a>
10)     <a href="<page projects/obfsproxy>">obfsproxy &raquo; </a>
11)   </div>
12)   <div id="maincol">
13)     <!-- PUT CONTENT AFTER THIS TAG -->
14) 
15)     <h2>obfsproxy</h2>
16)     <div class="underline"></div>
17) 
18)     <!-- BEGIN SIDEBAR -->
19)     <div class="sidebar-left">
20)     </div>
21)     <!-- END SIDEBAR -->
22) 
23)     <p>
24)     obfsproxy is a tool that attempts to circumvent censorship, by
25)     transforming the Tor traffic between the client and the
26)     bridge. This way, censors, who usually monitor traffic between the
27)     client and the bridge, will see innocent-looking transformed
28)     traffic instead of the actual Tor traffic.
29) 
30)     <img src="$(IMGROOT)/obfsproxy_diagram.png" alt="client torrc"></a>
31)     </p>
32) 
33)     <p>
34)     obfsproxy supports multiple protocols, called pluggable
35)     transports, which specify how the traffic is transformed. For
36)     example, there might be a HTTP transport which transforms Tor
37)     traffic to look like regular HTTP traffic.
38)     </p>
39) 
40)     <p>
41)     Even though obfsproxy is a separate application, completely
42)     independent from tor, it speaks to tor using an <a
43)     href="https://gitweb.torproject.org/torspec.git/blob/HEAD:/proposals/180-pluggable-transport.txt">internal

44)     protocol</a> to minimize necessary end-user configuration.
45)     </p>
46) 
47)     <p>
48)     Please open a <a

49)     href="https://trac.torproject.org/projects/tor/query?status=accepted&status=assigned&status=needs_information&status=needs_review&status=needs_revision&status=new&status=reopened&component=Obfsproxy&order=priority&col=id&col=summary&col=status&col=type&col=priority&col=milestone&col=component">ticket</a>

50)     on our bug tracker for any bugs you find or features you would
51)     like to see added in future releases.

52)     </p>
53) 

54)     <h2><a class="anchor" href="#download">Download Obfsproxy Tor Browser Bundle</a></h2>

55) 

56)     <p>
57)     We've made an experimental <a

58)     href="https://www.torproject.org/dist/obfsproxy/tor-obfsproxy-browser-bundle-2.3.10-en-US.exe">Obfsproxy
59)     Tor Browser Bundle for Windows</a> (<a
60)     href="https://www.torproject.org/dist/obfsproxy/tor-obfsproxy-browser-bundle-2.3.10-en-US.exe.asc">signature</a>)
61)     (<a
62)     href="https://www.torproject.org/dist/obfsproxy/tor-obfsproxy-browser-bundle-2.3.10-en-US.torrent">torrent</a>)
63)     that currently works in all censored countries with no config

64)     changes. See also <a
65)     href="http://sebastianhahn.net/stuff/obfsprxy.exe">mirror 1</a> and
66)     <a href="http://sebastianhahn.net/stuff/obfsprxy.exe.asc">sig</a>,
67)     and <a href="http://mit.edu/arma/Public/obfsprxy.exe">mirror 2</a>
68)     and <a href="http://mit.edu/arma/Public/obfsprxy.exe.asc">sig</a>.

69)     </p>
70) 
71)     <p>
72)     Or try the
73)     <a href="https://www.torproject.org/dist/obfsproxy/tor-obfsproxy-browser-bundle-2.3.10-linux-64bit.tar.gz">Obfsproxy Tor Browser Bundle for Linux 64-bit</a>
74)     (<a href="https://www.torproject.org/dist/obfsproxy/tor-obfsproxy-browser-bundle-2.3.10-linux-64bit.tar.gz.asc">signature</a>)
75)     (<a href="https://www.torproject.org/dist/obfsproxy/tor-obfsproxy-browser-bundle-2.3.10-linux-64bit.torrent">torrent</a>)

76)     (<a href="http://sebastianhahn.net/stuff/obfsprxy_64bit_linux.tar.gz">mirror 1</a> and <a href="http://sebastianhahn.net/stuff/obfsprxy_64bit_linux.tar.gz.asc">sig</a>, <a href=" http://mit.edu/arma/Public/obfsprxy_64bit_linux.tar.gz">mirror 2</a> and <a href="http://mit.edu/arma/Public/obfsprxy_64bit_linux.tar.gz.asc">sig</a>).

77)     </p>

78) 

79)     <h2><a class="anchor" href="#instructions">Installation Instructions</a></h2>

80) 

81)    <p>To set up an obfsproxy bridge, or to build
82)    it from source, see the separate <a href="<page
83)    projects/obfsproxy-instructions>#instructions">Obfsproxy Installation
84)    Instructions</a> page.
85)    </p>