apiVersion: "config.istio.io/v1alpha2" kind: denier metadata: name: denyreviewsv3handler spec: status: code: 7 message: Not allowed --- apiVersion: "config.istio.io/v1alpha2" kind: checknothing metadata: name: denyreviewsv3request spec: --- apiVersion: "config.istio.io/v1alpha2" kind: rule metadata: name: denyreviewsv3 spec: match: destination.labels["app"] == "ratings" && source.labels["app"]=="reviews" && source.labels["version"] == "v3" actions: - handler: denyreviewsv3handler.denier instances: [ denyreviewsv3request.checknothing ]