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44 lines
1.4 KiB
HTML
44 lines
1.4 KiB
HTML
On Linux, mitmproxy integrates with the iptables redirection mechanism to
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achieve transparent mode.
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<ol class="tlist">
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<li> <a href="@!urlTo("ssl.html")!@">Install the mitmproxy
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certificates on the test device</a>. </li>
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<li> Enable IP forwarding:
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<pre class="terminal">sysctl -w net.ipv4.ip_forward=1</pre>
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You may also want to consider enabling this permanently in
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<b>/etc/sysctl.conf</b>.
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</li>
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<li> Create an iptables ruleset that redirects the desired traffic to the
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mitmproxy port. Details will differ according to your setup, but the
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ruleset should look something like this:
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<pre class="terminal">iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
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iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 8080</pre>
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</li>
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<li> Fire up mitmproxy. You probably want a command like this:
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<pre class="terminal">mitmproxy -T --host</pre>
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The <b>-T</b> flag turns on transparent mode, and the <b>--host</b>
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argument tells mitmproxy to use the value of the Host header for URL
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display.
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</li>
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<li> Finally, configure your test device to use the host on which mitmproxy is
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running as the default gateway.</li>
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</ol>
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For a detailed walkthrough, have a look at the <a href="@!urlTo("tutorials/transparent-dhcp.html")!@"><i>Transparently proxify virtual machines</i></a> tutorial.
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