Request Blocking is not working for IIS 7.5

http://www.iis.net/learn/extensions/url-rewrite-module/request-blocking-rule-template

I am trying to do the same but it is not working.

This is my code

<rulename="MyUIT"patternSyntax="Wildcard"stopProcessing="true"><matchurl="*"/><conditions><addinput="{QUERY_STRING}"pattern="*myuit.asp*"/></conditions><actiontype="AbortRequest"/></rule>