> ## Documentation Index
> Fetch the complete documentation index at: https://private-7c7dfe99-fix-nav-issues.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

> ClickHouse 支持的外部身份验证方式概述

# 外部用户身份验证器和目录服务

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<Note>
  本页不适用于 [ClickHouse Cloud](https://clickhouse.com/cloud)。本文档介绍的功能不适用于 ClickHouse Cloud 服务。
  更多信息，请参阅 ClickHouse 的 [Cloud Compatibility](/zh/products/cloud/guides/cloud-compatibility) 指南。
</Note>

ClickHouse 支持使用外部服务对用户进行身份验证和管理。

支持以下外部身份验证器和目录服务：

* [LDAP](/zh/concepts/features/security/external-authenticators/ldap#ldap-external-authenticator) [身份验证器](/zh/concepts/features/security/external-authenticators/ldap#ldap-external-authenticator)和[目录](/zh/concepts/features/security/external-authenticators/ldap#ldap-external-user-directory)
* Kerberos [身份验证器](/zh/concepts/features/security/external-authenticators/kerberos#kerberos-as-an-external-authenticator-for-existing-users)
* [SSL X.509 身份验证](/zh/concepts/features/security/external-authenticators/ssl-x509)
* HTTP [身份验证器](/zh/concepts/features/security/external-authenticators/http)