Mode | drupal.org

The Mode module is a utility module that allows administrators to manage different permission sets and switch between them conveniently. It works by manipulating the permissions table during each switch.

Example scenarios where this module will prove useful:

• Setting the site to a read-only mode by creating a mode where users only have the 'access content' permission.
• Manually throttle access to certain modules such as search by limiting access to 'search content' and 'use advanced search'.
• Create permission templates for multi-site installations to ease administration.