How to: Add an Apache Handler
Click the Hosting Features menu item if it is not already open.
Click the Htaccess menu item.
Click the [ Handlers ] link for the directory you’d like to manage..
In the “Handler”column, enter the Apache handler you would like to use for the given extensions. As you type, the field will auto-complete with the various default handlers in Apache.
In the “Extensions” column, enter a space separated list of extensions.
Click the ￼ADD button.