... By mistyping a user or group name in the settings, it's possible to lock a topic so that no-one can edit it from a browser. ... Restricting MANAGE controls access to certain management functions, such as 'create web'. ... Set ALLOWROOTCHANGE = < comma-delimited list of Users and Groups > Note that you do not require ROOTCHANGE access to rename an existing top-level web. ... TWiki Access Control allows you restrict access to single topics and entire webs, by individual user and by user Groups. ...