---
pkg: '@nocobase/plugin-auth-cas'
---

# Auth: CAS

## Introduction

The Auth: CAS plugin follows the CAS (Central Authentication Service) protocol standard, allowing users to sign in to NocoBase using accounts provided by third-party identity authentication service providers (IdP).

## Installation

## User Manual

### Activate Plugin


![](https://static-docs.nocobase.com/469c48d9f2e8d41a088092c34ddb41f5.png)


### Add CAS Authentication

Visit the user authentication management page

http://localhost:13000/admin/settings/auth/authenticators

Add CAS authentication method


![](https://static-docs.nocobase.com/a268500c5008d3b90e57ff1e2ea41aca.png)


Configure CAS and activate


![](https://static-docs.nocobase.com/2518b3fcc80d8a41391f3b629a510a02.png)


### Visit the Sign in Page

http://localhost:13000/signin


![](https://static-docs.nocobase.com/49116aafbb2ed7218306f929ac8af967.png)