How to disable browser cache in CakePHP

use the useful callback disableCache(), that will tell the user’s browser not to cache the results of the current request. This is different than view caching. The headers sent to this effect are: Expires: Mon, 26 Jul 1997 05:00:00 GMT Last-Modified: [current datetime] GMT Cache-Control: no-store, no-cache, must-revalidate Cache-Control: post-check=0, pre-check=0 Pragma: no-cache

Clearing OpenX Cache

to clear openx cache clear openx/var/cache directory or by setting cache time by navigating to Configuration > Global Settings > Banner Delivery Settings