)

	// CLI: -A ISTIO_OUTPUT ! -o lo -p udp -m udp --dport 53 -j REDIRECT --to-port 15053
	//
	// DESC: If this is a UDP DNS request to a non-localhost resolver, send it to ztunnel DNS proxy port
	if redirectDNS {
		iptablesBuilder.AppendRule(
			iptableslog.UndefinedCommand, ChainInpodOutput, iptablesconstants.NAT,
			"!", "-o", "lo",
			"-p", "udp",
			"-m", "udp",
			"--dport", "53",
			"-j", "REDIRECT",

          port: 80
          protocol: TCP
kind: List
metadata:
  resourceVersion: ""`
	udpService = `
kind: Service
metadata:
  name: hello
spec:
  ports:
    -
      protocol: udp`
	skippedService = `
kind: Service
metadata:
  name: hello
  namespace: istio-system
spec:
  ports:
    -
      name: http
      port: 9080`
	validPortNamingSvc = `
apiVersion: v1

   '--filename=rsrc.json'`)

	validFields = map[string]struct{}{
		"apiVersion": {},
		"kind":       {},
		"metadata":   {},
		"spec":       {},
		"status":     {},
	}

	serviceProtocolUDP = "UDP"

	fileExtensions = []string{".json", ".yaml", ".yml"}
)

type validator struct{}

func checkFields(un *unstructured.Unstructured) error {
	var errs error
	for key := range un.Object {

				Port:     80,
			},
			expectedProtocol: "auto-detect",
		},
		{
			port: corev1.ServicePort{
				Protocol: corev1.ProtocolUDP,
				Port:     80,
			},
			expectedProtocol: "UDP",
		},
	}

	for _, tc := range cases {
		protocol := findProtocolForPort(&tc.port)
		if protocol != tc.expectedProtocol {

func printService(writer io.Writer, svc corev1.Service, pod *corev1.Pod) {
	fmt.Fprintf(writer, "Service: %s\n", kname(svc.ObjectMeta))
	for _, port := range svc.Spec.Ports {
		if port.Protocol != "TCP" {
			// Ignore UDP ports, which are not supported by Istio
			continue
		}
		// Get port number
		nport, err := pilotcontroller.FindPort(pod, &port)
		if err == nil {
			protocol := findProtocolForPort(&port)