This rule will expire all .png files by adding a salt (cryptographic term) to the unique cache key.
This rule will set the cache expiry time for all xml files to 300 seconds (5 minutes)
This rule will bypass CDN cache when origin sends Cache-Control: no-cache header
This rule will set the cdn cache expiry time to the value in the max-age header sent by origin
This rule will bypass the cdn cache when qureystring ?clean=1 is present
This rule will redirect users connecting via HTTP to the equivalent page on HTTPS