Mediawiki Extension Lockdown
From Squirrel's Lair
Mediawiki Extension Lockdown is an extension to Mediawiki that allows restricting actions based on namespaces and other conditions. See also Mediawiki Extension Chameleon, which can help show and hide content depending on rights.
This extension is used on this wiki to hide the namespace "internal" from viewers who are not logged in because in progress shop notes are not all that pretty.
