Extension:Crosswiki Blocking

The Crosswiki Blocking extension provides a new special page, Special:CrosswikiBlock, which can be used to block users on other wikis.

Download instructions
Download this extension from SVN and place the files in. Note: $IP stands for the root directory of your MediaWiki installation, the same directory that holds LocalSettings.php.

Installation
First, you have to patch some files by ipb_by_text.patch (you can find it in the extension directory). Then add the following to LocalSettings.php:

The right to use this extension, crosswikiblock, is given to the group steward by default. To change it, put something like this into your LocalSettings.php: