# try to get result from memcached
location @memcached {
	default_type text/html;
	set $memcached_key data-$scheme://$host$request_uri;
	set $memcached_request 1;

	# exceptions
	# avoid cache serve of POST requests
	if ($request_method = POST ) {
		set $memcached_request 0;
	}

	# avoid cache serve of wp-admin-like pages, starting with "wp-"
	if ( $uri ~ "/wp-" ) {
		set $memcached_request 0;
	}

	if ($http_cookie ~* "comment_author_|wordpressuser_|wp-postpass_|wordpress_logged_in_" ) {
		set $memcached_request 0;
	}

	if ( $memcached_request = 1) {
		add_header X-Cache-Engine "WP-FFPC with memcached via nginx";
		memcached_pass memcached-servers;
		error_page 404 = @rewrites;
	}

	if ( $memcached_request = 0) {
		rewrite ^ /index.php?q=$request_uri last;
	}
}

	## rewrite rules
location @rewrites {
	add_header X-Cache-Engine "";
	rewrite ^ /index.php?q=$request_uri last;
}