Permissions/ps

Several mediawiki.org pages relate to permissions:


 * - help page describing use of the Special:UserRights interface (for bureaucrats)
 * - how to create groups or change the rights given to a group
 * - restrict rights within namespaces
 * - ways of promoting users into certain groups automatically
 * - Different ways (with examples) of preventing access to your wiki
 * - Many extensions relating to user rights
 * Project:Requests - used to ask for permission changes on this wiki