Forum:Need help with protecting many pages at once

Our wiki, FunOrb Wiki, as well as the german and french language variotions do NOT allow signature templates, but we have many users who do not know this, and they are creating signature templates at Template:Signatures/THEIRUSERNAME or Template:Signature/THEIRUSERNAME. I need a way to prevent all subpages of those two templates from being created. Is there a way I can use a wildcard or something? I assume there is an option in the MediaWiki software somewhere for this... -- Bigd56 &#124;  Talk  19:38, 2 October 2008 (UTC)
 * I believe you can protect pages this way by adding Template:Signatures/* to the mediawiki message 'Local title blacklist'. Then it won't allow you to create titles which match this expression. -- JSharp (talk) 23:20, 3 October 2008 (UTC)