w access on port 443 only, with mutual TLS:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply -n httptools -f - &lt;&lt;EOF
apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: default-ingress-gateway
spec:
  selector:
    istio: ingressgateway # use istio default ingress gateway
  servers:
  - port:
      number: 443
      name: https
      protocol: HTTPS
    tls:
      mode: MUTUAL
      credentialName: $INGRESS_GATEWAY_SECRET
    hosts:
    - &#3