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content/zh/docs/setup/best-practices/certificates.md

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 title: PKI 证书和要求
 reviewers:
 - sig-cluster-lifecycle
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 title: PKI certificates and requirements
 reviewers:
 - sig-cluster-lifecycle
-content_template: templates/concept
+content_type: concept
 weight: 40
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 Kubernetes requires PKI certificates for authentication over TLS.
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 Kubernetes 需要 PKI 证书才能进行基于 TLS 的身份验证。如果您是使用 [kubeadm](/docs/reference/setup-tools/kubeadm/kubeadm/) 安装的 Kubernetes，则会自动生成集群所需的证书。您还可以生成自己的证书。例如，不将私钥存储在 API 服务器上，可以让私钥更加安全。此页面说明了集群必需的证书。
 
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 ## How certificates are used by your cluster
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 [kubeadm]: /docs/reference/setup-tools/kubeadm/kubeadm/
 [proxy]: /docs/tasks/access-kubernetes-api/configure-aggregation-layer/
 
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