allow-vault-ports.yaml

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-vault-ports
  namespace: vault
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/name: vault
  ingress:
  - ports:
    - protocol: TCP
      port: 8200
    - protocol: TCP
      port: 8201
    from:
    - podSelector:
        matchLabels:
          app.kubernetes.io/name: vault
  egress:
  - ports:
    - protocol: TCP
      port: 8200
    - protocol: TCP
      port: 8201
    to:
    - podSelector:
        matchLabels:
          app.kubernetes.io/name: vault