| csrf_token | A security cookie used to identify the user and prevent Cross Site Request Forgery attacks. | 2 hours | Strictly Necessary | 
            
              | last_activity | Records the time of the last page load. Used in in calculating active sessions. | 360 days | Functionality | 
            
              | last_visit | Date of the user’s last visit, based on the last_activity cookie. Can be shown as a statistic for members and used by forum and comments to show unread topics for both members and guests. | 360 days | Functionality | 
            
              | sessionid | Session ID, used to associate a logged in user with their data. | 1–2 hours | Strictly Necessary |