Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 17347)
+++ wp-includes/functions.php	(working copy)
@@ -2693,6 +2693,48 @@
 }
 
 /**
+ * Call wp_die() and issue a HTTP 403 Forbidden response code
+ *
+ * @since 3.2
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguements to control behaviour.
+ */
+function wp_die_forbid( $message, $title = '', $args = array() ) {
+	$args['response'] = 403;
+	wp_die( $message, $title, $args );
+}
+
+/**
+ * Call wp_die() and issue a HTTP 404 Not Found response code
+ *
+ * @since 3.2
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguements to control behaviour.
+ */
+function wp_die_not_found( $message, $title = '', $args = array() ) {
+	$args['response'] = 404;
+	wp_die( $message, $title, $args );
+}
+
+/**
+ * Call wp_die() and issue a HTTP 500 Internal Server Error response code
+ *
+ * @since 3.2
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguements to control behaviour.
+ */
+function wp_die_error( $message, $title = '', $args = array() ) {
+	$args['response'] = 500;
+	wp_die( $message, $title, $args );
+}
+
+/**
  * Kill WordPress execution and display HTML message with error message.
  *
  * This is the default handler for wp_die if you want a custom one for your
@@ -2706,7 +2748,7 @@
  * @param string|array $args Optional arguements to control behaviour.
  */
 function _default_wp_die_handler( $message, $title = '', $args = array() ) {
-	$defaults = array( 'response' => 500 );
+	$defaults = array( 'response' => 200 );
 	$r = wp_parse_args($args, $defaults);
 
 	$have_gettext = function_exists('__');
