IIS7配置301,404

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
    <rewrite>
    <rules>
    <rule name="WWW Redirect" stopProcessing="true">
    <match url=".*" />
    <conditions>
    <add input="{HTTP_HOST}" pattern="^xxx.com$" />
    </conditions>
    <action type="Redirect" url="http://www.xxx.com/{R:0}" redirectType="Permanent" />
    </rule>
    
    <rule name="bjhrjscl Redirect" stopProcessing="true">
    <match url=".*" />
    <conditions>
    <add input="{HTTP_HOST}" pattern="^xxx.w120.idchz.com$" />
    </conditions>
    <action type="Redirect" url="http://www.xxx.com/{R:0}" redirectType="Permanent" />
    </rule>
    
    </rules>
    </rewrite>  
    
    <httpErrors errorMode="DetailedLocalOnly">
    <remove statusCode="404"/>
    <error statusCode="404" path="/404.html" responseMode="ExecuteURL"/>
    </httpErrors>

    
    </system.webServer>
    
</configuration>