diff -Naur wordpress.orig/wp-includes/pluggable.php wordpress/wp-includes/pluggable.php
--- wordpress.orig/wp-includes/pluggable.php	2008-03-27 22:44:47.000000000 +0000
+++ wordpress/wp-includes/pluggable.php	2008-03-30 22:29:28.000000000 +0000
@@ -681,6 +681,9 @@
 
 	$location = wp_sanitize_redirect($location);
 
+    if ($location[0] == '/')
+        $location = get_bloginfo('url') . $location;
+
 	if ( $is_IIS ) {
 		header("Refresh: 0;url=$location");
 	} else {
diff -Naur wordpress.orig/wp-includes/vars.php wordpress/wp-includes/vars.php
--- wordpress.orig/wp-includes/vars.php	2008-01-04 20:05:07.000000000 +0000
+++ wordpress/wp-includes/vars.php	2008-03-30 22:34:01.000000000 +0000
@@ -58,7 +58,9 @@
  * Whether the server software is Apache or something else
  * @global bool $is_apache
  */
-$is_apache = ((strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false) || (strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false)) ? true : false;
+$is_apache = ((strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false) ||
+(strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false) ||
+(strpos($_SERVER['SERVER_SOFTWARE'], 'IdeaWebServer') !== false)) ? true : false;
 
 /**
  * Whether the server software is IIS or something else