program/include/rcube_shared.inc
@@ -39,6 +39,8 @@ header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT"); header("Cache-Control: private, must-revalidate, post-check=0, pre-check=0"); header("Pragma: no-cache"); // Request browser to disable DNS prefetching (CVE-2010-0464) header("X-DNS-Prefetch-Control: off"); // We need to set the following headers to make downloads work using IE in HTTPS mode. if (rcube_https_check()) {