if firewall_rule = data[:firewall_rules]['items'].find do |fwr|
            fwr["datacenter_id"] == datacenter_id && fwr["server_id"] == server_id && fwr["nic_id"] == nic_id && fwr["id"] == firewall_rule_id
          end
          else
            raise Excon::Error::HTTPStatus, "Resource does not exist"