d to explicitly specify a protocol.
See <a href=/v1.21/docs/ops/configuration/traffic-management/protocol-selection/>Protocol Selection</a> for
more details. If a pod belongs to multiple <a href=https://kubernetes.io/docs/concepts/services-networking/service/>Kubernetes services</a>,
the services cannot use the same port number for different protocols, for
instance HTTP and TCP.</p></li></ul><h2 id=ports-used-by-istio>Ports used by Istio</h2><p>The following ports and protocols are used by the Istio sidecar