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Oracle Kubernetes Engine (OKE)

TMA-OKE-5.4.2

Enable private OKE control plane access and disable public IP access

AltaNivel 1Automatizadaoke

Descripción

This recommendation is the strict private access version of API endpoint hardening. The intended end state is that the Kubernetes API server is reachable only from inside the cluster VCN or from a connected private network, and there is no internet-reachable public API endpoint at all. This is a pure control plane exposure decision. Requires the oci CLI with read access to the cluster in OKE_CLUSTER_ID.

Cómo se verifica

Método de auditoría: Comando de shell

shell
pub=$(oci ce cluster get --cluster-id "${OKE_CLUSTER_ID:?set OKE_CLUSTER_ID}" --query 'data."endpoint-config"."is-public-ip-enabled"' --raw-output) || exit 1
ep=$(oci ce cluster get --cluster-id "${OKE_CLUSTER_ID:?set OKE_CLUSTER_ID}" --query 'data.endpoints."public-endpoint"' --raw-output) || exit 1
if [ "$pub" = false ] && { [ -z "$ep" ] || [ "$ep" = null ]; }; then echo compliant; else echo "noncompliant: is-public-ip-enabled=$pub public-endpoint=$ep"; fi
Salida esperada
compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Use private OKE control plane access by placing the Kubernetes API endpoint in a private subnet and disabling public IP assignment. This keeps Kubernetes API access on the VCN or an approved private network path. For a new cluster, create the Kubernetes API endpoint in a private subnet and do not assign a public IP address. oci ce cluster create \ --name $CLUSTER_NAME \ --compartment-id $COMPARTMENT_ID \ --vcn-id $VCN_OCID \ --kubernetes-version $KUBERNETES_VERSION \ --endpoint-subnet-id $PRIVATE_ENDPOINT_SUBNET_OCID \ --endpoint-public-ip-enabled false For an existing cluster, update the endpoint configuration so the Kubernetes API endpoint is not assigned a public IP address.

Propiedades

Sistemas operativos
Cualquiera
Etiquetas
okemanaged-servicesnetwork
Referencia
CIS Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) Benchmark v2.0.0 - 5.4.2 Enable private OKE control plane access and disable public IP access

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell
tmaegis scan --target oke