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# Enterprise-Only Authentication Options

In ownCloud 9.0+, there are five authentication backends for external storage mounts:

- Username and password
- Log-in credentials, save in session
- Log-in credentials, save in database
- User entered, store in database
- Global credentials

The first two are common to all editions of ownCloud, and the last three are only in the Enterprise edition. These are available to:

- FTP
- ownCloud
- SFTP
- SMB/CIFS
- WebDAV
- Windows Network Drive

Username and password
  This is the default; a login entered by the admin when the external mount is created. The login is stored in the database, which allows sharing, and background jobs, such as file scanning, to operate.
Log-in credentials, save in session
  Credentials are only stored in the session and not captured in the database. Files cannot be shared, as credentials are not stored.
Log-in credentials, save in database
  Credentials are stored in the database, and files can be shared.
User entered, store in database
  Users provide their own login credentials, rather than using admin-supplied credentials. User credentials are stored in the database, and files can be shared.
Global credentials
  Re-usable credentials entered by the admin, files can be shared.

Global credentials are entered in a separate form.

Use the dropdown selector to choose the authentication backend when you create a new external mount.

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