private function showFile( $key ) {
$this->getOutput()->disable();
- # We mustn't allow the output to be Squid cached, otherwise
+ # We mustn't allow the output to be CDN cached, otherwise
# if an admin previews a deleted image, and it's cached, then
# a user without appropriate permissions can toddle off and
- # nab the image, and Squid will serve it
+ # nab the image, and CDN will serve it
$response = $this->getRequest()->response();
$response->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
$response->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' );