apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: security-lab-default-deny-egress
  namespace: security-lab
spec:
  podSelector: {}
  policyTypes:
    - Egress
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: security-lab-allow-web-egress
  namespace: security-lab
spec:
  podSelector:
    matchLabels:
      homelab.dev/security-lab-app: "true"
  policyTypes:
    - Egress
  egress:
    - to:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: kube-system
      ports:
        - protocol: UDP
          port: 53
        - protocol: TCP
          port: 53
    - to:
        - ipBlock:
            cidr: 0.0.0.0/0
            except:
              - 10.96.0.0/12
              - 192.168.100.0/24
      ports:
        - protocol: TCP
          port: 80
        - protocol: TCP
          port: 443
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: security-lab-default-deny-ingress
  namespace: security-lab
spec:
  podSelector: {}
  policyTypes:
    - Ingress
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: security-lab-allow-port-forward
  namespace: security-lab
spec:
  podSelector:
    matchLabels:
      homelab.dev/security-lab-app: "true"
  policyTypes:
    - Ingress
  ingress:
    - from:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: kube-system
      ports:
        - protocol: TCP
          port: 3000
        - protocol: TCP
          port: 8080