Kubernetes Network Policy Examples

CozyFex included in kubernetes k8s orchestration

2021-07-27 94 words One minute

Contents

Deny All POD Egress to Specific IP

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apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: pod-deny
  namespace: access
spec:
  podSelector: { }
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 0.0.0.0/0
            except:
              - 192.168.100.21/32

Allow Specific PODs Egress to Specific IP

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apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: pod-allow
  namespace: access
spec:
  podSelector:
    matchLabels:
      role: metadata-accessor
  policyTypes:
    - Egress
  egress:
    - to:
        - ipBlock:
            cidr: 192.168.100.21/32