cilium

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apiVersion: "cilium.io/v2"
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kind: CiliumNetworkPolicy
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metadata:
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  name: "allow-to-kubedns"
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  namespace: public
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spec:
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  endpointSelector:
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    {}
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  egress:
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  - toEndpoints:
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    - matchLabels:
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        k8s:io.kubernetes.pod.namespace: kube-system
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        k8s-app: kube-dns
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    toPorts:
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    - ports:
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      - port: '53'
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        protocol: UDP
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