Version 4.6.0

system/Dispatcher/Dispatcher.php

@@ -98,9 +98,10 @@ abstract class _Dispatcher
 					$url	= ( \IPS\Request::i()->isSecure()  ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . rtrim( \dirname( $_SERVER['SCRIPT_NAME'] ), '/' );
 
 					header( "HTTP/1.1 307 Temporary Redirect" );
-					header( "Cache-Control: no-cache, no-store, must-revalidate" );
-					header( "Pragma: no-cache" );
-					header( "Expires: 0" );
+					foreach( \IPS\Output::getNoCacheHeaders() as $headerKey => $headerValue )
+					{
+						header( "{$headerKey}: {$headerValue}" );
+					}
 					header( "Location: {$url}/" . \IPS\CP_DIRECTORY . "/install/" );
 					exit;
 				}