By default, MediaWiki allows anyone to register as a user. For private wikis, if you want to disable that, just add this:
$wgGroupPermissions['*']['createaccount'] = false;
to your LocalSettings.php file.
By default, MediaWiki allows anyone to register as a user. For private wikis, if you want to disable that, just add this:
$wgGroupPermissions['*']['createaccount'] = false;
to your LocalSettings.php file.