# File lib/em-websocket/connection.rb, line 121
      def send_flash_cross_domain_file
        file =  '<?xml version="1.0"?><cross-domain-policy><allow-access-from domain="*" to-ports="*"/></cross-domain-policy>'
        debug [:cross_domain, file]
        send_data file

        # handle the cross-domain request transparently
        # no need to notify the user about this connection
        @onclose = nil
        close_connection_after_writing
      end