---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-all
spec:
  podSelector: {}
  policyTypes:
  - Egress
  - Ingress





---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-dns
spec:
  podSelector:
    matchLabels:
      app: legacy-conference
  policyTypes:
  - Egress
  egress:
    - ports:
      # Umożliwienie wyszukiwania DNS.
      - port: 53
        protocol: UDP
---





---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: allow-conference-egress
spec:
  podSelector:
    matchLabels:
      app: legacy-conference
  policyTypes:
  - Egress
  egress:
  - to:
    - namespaceSelector:
        matchLabels:
          kubernetes.io/metadata.name: attendees
