--- wp-includes/http.php.orig   2013-07-31 01:46:02.000000000 -0500
+++ wp-includes/http.php    2013-11-21 13:39:29.164801831 -0600
@@ -458,8 +458,8 @@
                || ( 192 === $parts[0] && 168 === $parts[1] )
            ) {
                // If host appears local, reject unless specifically allowed.
-               if ( ! apply_filters( 'http_request_host_is_external', false, $host, $url ) )
-                   return false;
+//             if ( ! apply_filters( 'http_request_host_is_external', false, $host, $url ) )
+//                 return false;
            }
        }
    }