Users And Login

How to allow non-registered users access to the system
How to allow non-registered users to self-register
How to implement “forgotten password” functionality
How to log into the system
How to refer to the current user in rules
How to set/change password for the Configuration Tool
How to set/change user password
How to set up Login via Facebook, Twitter and Google
How to set up system users
How to set up users of the Configuration Tool
How to store “session” values – values that exist only during user session
How to use Active Directory / LDAP for login