# if it is set, the response will contain an Access-Control-Allow-Origin header
# with the given value, allowing the ping response to be read (and
# differentiated from an error) from a remote domain using XHR.
#
# if it is set, the response will contain an Access-Control-Allow-Origin header
# with the given value, allowing the ping response to be read (and
# differentiated from an error) from a remote domain using XHR.
#