... TWiki site access control and user activity tracking options . ... TWiki does not authenticate users internally, it depends on the REMOTE_USER environment variable. ... Authentication, or "login", is the process by which a user lets TWiki know who they are. ... How 2: Use one of the Session TWiki:Plugins where you give the user the option to login and logout. ... TWiki user authentication is split into three sections; password management, user registration, and login management. ...