> ## 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.

# Security and authentication

> Landing page for Security and authentication

| Page                                                                                 | Description                                                                                             |
| ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------- |
| [Users and Roles](/concepts/features/security/access-rights)                         | Learn more about how ClickHouse supports access control management based on RBAC approach.              |
| [External Authenticators](/concepts/features/security/external-authenticators/index) | Learn more about how OSS ClickHouse supports authenticating and managing users using external services. |