= Authentication =
[[TOC]]

The default Authentication system is an email address & password in the main Sahana database ({{{auth_user}}} table), however a variety of other Authentication systems can be used.

Web2Py documentation on possible methods are here:
* http://www.web2py.com/book/default/chapter/09#Authentication

== Facebook ==

== Google ==

== OpenID ==

== LDAP ==
It is possible to authenticate against an LDAP (Lightweight Directory Access Protocol) server:
* Microsoft Active Directory
* IBM's Lotus Notes Domino
* OpenLDAP