---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: restrict-ingress-nginx-internal
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/name: nginx-internal
  policyTypes:
    - Ingress
  ingress:
    - from:
        - ipBlock:
            cidr: 192.168.0.0/16
      ports:
        - protocol: TCP
          port: 80
        - protocol: TCP
          port: 443