diff options
Diffstat (limited to 'program/include/rcube_shared.inc')
| -rw-r--r-- | program/include/rcube_shared.inc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc index 610023f69..f4f23a26b 100644 --- a/program/include/rcube_shared.inc +++ b/program/include/rcube_shared.inc @@ -39,6 +39,8 @@ function send_nocacheing_headers() 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()) { |