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23 lines
849 B
YAML
23 lines
849 B
YAML
apiVersion: kyverno.io/v1alpha1
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kind: ClusterPolicy
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metadata:
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name: validate-allow-portrange-with-sysctl
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spec:
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validationFailureAction: "audit"
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rules:
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- name: allow-portrange-with-sysctl
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match:
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resources:
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kinds:
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- Pod
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validate:
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message: "Allowed port range is from 1024 to 65535"
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pattern:
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spec:
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securityContext:
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sysctls:
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- name: net.ipv4.ip_local_port_range
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value: "1024 65535"
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# Configure and use kernel parameters within a POd cluster using namespaced sysctl
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# (refer to https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/ for the list of supported namespaced sysctl interfaces)
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# The minimum and maximum port a network connection can use as its source(local) port can be validating by checking net.ipv4.ip_local_port_range
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