# Authenticators

To enable authenticators, you need to set `auth.enabled` to true in `vulcan.yaml`.

```yaml
auth:
  enabled: true
```

The following is the list of built-in authenticators, please check their documentation to learn how to enable and configure them.

:::info
You can enable multiple authenticators if they check different credentials.

:::

| Authenticator                                   | Description                                          |
| ----------------------------------------------- | ---------------------------------------------------- |
| [HTTP Basic](./authenticators/http-basic)       | Authenticate via HTTP basic auth.                    |
| [Password File](./authenticators/password-file) | Using a password file to validate username/password. |
| [Simple Token](./authenticators/simple-token)   | Using a static token to validate users.              |
