An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
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README.mkd

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly.

mitmdump is the command-line version of mitmproxy, with the same functionality but without the user interface. Think tcpdump for HTTP.

Both tools are fully documentented in the commandline --help flag, and, in the case of mitmproxy, a built-in help page accessible through the ? keyboard shortcut.

Features

  • Intercept HTTP requests and responses and modify them on the fly.
  • Save complete HTTP conversations for later replay and analysis.
  • Replay the client-side of an HTTP conversations.
  • Replay HTTP responses of a previously recorded server.
  • Reverse proxy mode to forward traffic to a specified server.
  • Make scripted changes to HTTP traffic using Python.
  • SSL certificates for interception are generated on the fly.

Download

Releases and rendered documentation can be found on the mitmproxy website:

mitmproxy.org

Source is hosted on github:

github.com/cortesi/mitmproxy

Community

Come join us in the #mitmproxy channel on the OFTC IRC network (irc://irc.oftc.net:6667).

We also have a mailing list, hosted here:

http://groups.google.com/group/mitmproxy

Requirements

  • Python 2.6.x or 2.7.x.
  • openssl - installed by default on most systems.
  • urwid version 0.9.8 or newer.
  • The test suite uses the pry unit testing library.
  • Rendering the documentation requires countershape.

mitmproxy is tested and developed on OSX, Linux and OpenBSD.

You should also make sure that your console environment is set up with the following:

  • EDITOR environment variable to determine the external editor.
  • PAGER environment variable to determine the external pager.
  • Appropriate entries in your mailcap files to determine external viewers for request and response contents.