<rule name="rD">

<match url="^$" />

<action type="Rewrite" url="index.php" />

</rule>

<rule name="rP">

<match url="^.*?/$" />

<action type="Rewrite" url="404.php" />

</rule>

<rule name="wrP">

<match url="^.*?.html$" />

<action type="Rewrite" url="404.php" />

</rule>

<rule name="wwrP">

<match url="^.*?.htm$" />

<action type="Rewrite" url="404.php" />

</rule>

<rule name="wwwrP">

<match url="^.*?.shtm$" />

<action type="Rewrite" url="404.php" />

</rule>

</rules>

</rewrite>