The following Memcached configuration files are available:
More information about Memcached usage you can find in the Memcached document.
The main Memcached configuration file is located in the conf folder.
The keys directory is used as a location for uploading any private key which is needed for your application.
Generate the key, save it as a simple file and upload to the key folder.
Now you can use it for different cases by simply stating the path to your key: