apache - Rewrite rules converted to IIS 7.5 -

hi have following rules want import iis url rewrite:

rewritecond %{request_method} rewritecond %{query_string} [a-za-z0-9_]=http:// [or] rewritecond %{query_string} [a-za-z0-9_]=(\.\.//?)+ [or] rewritecond %{query_string} [a-za-z0-9_]=/([a-z0-9_.]//?)+ [nc] rewriterule .* - [f] 

however, when using import, error: rule not converted because of conditions using or flag.

any ideas on how in iis?

as mentioned in comment, iis rewrite module can not and , or same rule (when group of conditions, either matchany or matchall).

here how solve issue:

<rule name="my rule" stopprocessing="true">     <match url=".*" ignorecase="false" />     <conditions logicalgrouping="matchall">         <add input="{request_method}" pattern="get" />         <add input="{query_string}" pattern="[a-za-z0-9_]=(http://)|(\.\.//?)+|(/([a-z0-9_.]//?)+)" />     </conditions>     <action type="customresponse" statuscode="403" statusreason="forbidden" statusdescription="forbidden" /> </rule> 

it "combines" 3 rules had in 1 using logical | (or) operator: [a-za-z0-9_]=(http://)|(\.\.//?)+|(/([a-z0-9_.]//?)+).