r-cluster-name/net/network1
  failurePolicy: Fail
  name: namespace.sidecar-injector.istio.io
- admissionReviewVersions:
  - v1beta1
  - v1
  clientConfig:
    url: https://test.com/inject/cluster/your-cluster-name/net/network1
  failurePolicy: Fail
  name: object.sidecar-injector.istio.io</code></pre><h2 id=how-to-resolve>How to resolve</h2><p>Using an IP address instead of a hostname for your ingress gateway running in the external control plane is not recommended in a production environment.</p><p>If you