Fixed #25211 -- Added HttpRequest.get_port() and USE_X_FORWARDED_PORT setting.

docs/ref/request-response.txt

@@ -254,6 +254,14 @@ Methods
         :class:`~django.middleware.common.CommonMiddleware` or
         :class:`~django.middleware.csrf.CsrfViewMiddleware`.
 
+.. method:: HttpRequest.get_port()
+
+    .. versionadded:: 1.9
+
+    Returns the originating port of the request using information from the
+    ``HTTP_X_FORWARDED_PORT`` (if :setting:`USE_X_FORWARDED_PORT` is enabled)
+    and ``SERVER_PORT`` ``META`` variables, in that order.
+
 .. method:: HttpRequest.get_full_path()
 
     Returns the ``path``, plus an appended query string, if applicable.

docs/ref/settings.txt

@@ -2621,6 +2621,19 @@ A boolean that specifies whether to use the X-Forwarded-Host header in
 preference to the Host header. This should only be enabled if a proxy
 which sets this header is in use.
 
+.. setting:: USE_X_FORWARDED_PORT
+
+USE_X_FORWARDED_PORT
+--------------------
+
+.. versionadded:: 1.9
+
+Default: ``False``
+
+A boolean that specifies whether to use the X-Forwarded-Port header in
+preference to the ``SERVER_PORT`` ``META`` variable. This should only be
+enabled if a proxy which sets this header is in use.
+
 .. setting:: WSGI_APPLICATION
 
 WSGI_APPLICATION
@@ -3329,6 +3342,7 @@ HTTP
 * :setting:`SIGNING_BACKEND`
 * :setting:`USE_ETAGS`
 * :setting:`USE_X_FORWARDED_HOST`
+* :setting:`USE_X_FORWARDED_PORT`
 * :setting:`WSGI_APPLICATION`
 
 Logging

docs/releases/1.9.txt

@@ -538,6 +538,9 @@ Requests and Responses
   returning an :class:`~django.http.HttpResponseForbidden` so that
   :data:`~django.conf.urls.handler403` is invoked.
 
+* Added :meth:`HttpRequest.get_port() <django.http.HttpRequest.get_port>` to
+  fetch the originating port of the request.
+
 Tests
 ^^^^^