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+.. _sticky:
+
+Sticky cookies and auth
+=======================
+
+Sticky cookies
+--------------
+
+When the sticky cookie option is set, __mitmproxy__ will add the cookie most
+recently set by the server to any cookie-less request. Consider a service that
+sets a cookie to track the session after authentication. Using sticky cookies,
+you can fire up mitmproxy, and authenticate to a service as you usually would
+using a browser. After authentication, you can request authenticated resources
+through mitmproxy as if they were unauthenticated, because mitmproxy will
+automatically add the session tracking cookie to requests. Among other things,
+this lets you script interactions with authenticated resources (using tools
+like wget or curl) without having to worry about authentication.
+
+Sticky cookies are especially powerful when used in conjunction with :ref:`clientreplay` - you can
+record the authentication process once, and simply replay it on startup every time you need
+to interact with the secured resources.
+
+================== ======================
+command-line       :option:`-t FILTER`
+mitmproxy shortcut :kbd:`o` then :kbd:`t`
+================== ======================
+
+
+Sticky auth
+-----------
+
+The sticky auth option is analogous to the sticky cookie option, in that HTTP
+**Authorization** headers are simply replayed to the server once they have been
+seen. This is enough to allow you to access a server resource using HTTP Basic
+authentication through the proxy. Note that :program:`mitmproxy` doesn't (yet) support
+replay of HTTP Digest authentication.
+
+================== ======================
+command-line       :option:`-u FILTER`
+mitmproxy shortcut :kbd:`o` then :kbd:`A`
+================== ======================