9.3. 전체 서비스 메시에서 엄격한 mTLS 활성화

apiVersion: security.istio.io/v1
kind: PeerAuthentication
metadata:
  name: default
  namespace: istio-system
spec:
  mtls:
    mode: STRICT

apiVersion: networking.istio.io/v1
kind: DestinationRule
metadata:
  name: api-server
  namespace: istio-system
spec:
  host: kubernetes.default.svc.cluster.local
  trafficPolicy:
    tls:
      mode: DISABLE