# Outline - Seafile Admin Manual
Author: seafile

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# Single Sign On support in Seafile

Seafile supports most of the popular single-sign-on authentication protocols. Some are included in Community Edition, some are only in Pro Edition.

In the Community Edition:

- Shibboleth
- OAuth
- Remote User (Proxy Server)
- Auto Login to SeaDrive on Windows

Kerberos authentication can be integrated by using Apache as a proxy server and follow the instructions in Remote User Authentication and Auto Login SeaDrive on Windows.

In Pro Edition:

- ADFS or SAML 2.0