mismatched-mtls-constraint.yaml

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: MismatchedMtls
metadata:
  name: mismatched-mtls-constraint
spec:
  enforcementAction: deny
  match:
    kinds:
      - apiGroups: ["networking.istio.io"]
        kinds: ["DestinationRule"]
    namespaces: ["default"]