TYPO3 Core

var $lifetime = 0; // Client session lifetime. 0 = Session-cookies. If session-cookies, the browser will stop the session when the browser is closed. Otherwise this specifies the lifetime of a cookie that keeps the session.

var $sendNoCacheHeaders = 0;

var $getFallBack = 1; // If this is set, authentication is also accepted by the _GET. Notice that the identification is NOT 128bit MD5 hash but reduced. This is done in order to minimize the size for mobile-devices, such as WAP-phones

var $getMethodEnabled = 1; // Login may be supplied by url.

var $usergroup_column = 'usergroup';