Generic configuration file for IIS (+ WordPress rules)

web.config

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <system.webServer>
    <!--
      Default file - or directory index - files and their order

      Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
    -->
    <defaultDocument>
      <files>
        <!-- delete all currently configured index files -->
        <clear />
        <add value="index.php" />
      </files>
    </defaultDocument>

    <!--
      Disable directory listing

      Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
    -->
    <directoryBrowse enabled="false" />

    <rewrite>
      <rules>
        <!--
          Remove www from url

          Source: Redirect to non-www-url domain with ASP.NET? <http://stackoverflow.com/questions/3328986/redirect-to-non-www-url-domain-with-asp-net>
        -->
        <rule name="Remove WWW prefix" >
          <match url="(.*)" ignoreCase="true" />
          <conditions>
            <add input="{HTTP_HOST}" pattern="^www\.example\.com" />
          </conditions>
          <action type="Redirect" url="http://example.com/{R:1}" redirectType="Permanent" />
        </rule>

        <!--
          Remove the index.php from url
        -->
        <rule name="Remove directory index">
          <match url="index.php(.*)$" />
          <action type="Redirect" url="/{R:1}" redirectType="Permanent" />
        </rule>

        <!--
          Trailing directory slash

          Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
          
          Note: The order is important if used with WordPress. Must come before.
        -->
        <rule name="Add trailing slash" stopProcessing="true">
          <match url="(.*[^/])$" />
          <conditions>
            <!-- if no file by that name exists -->
            <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
            <!-- if a directory by that name does exist -->
            <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="false" />
          </conditions>
          <action type="Redirect" redirectType="Permanent" url="{R:1}/" />
        </rule>

        <!--
          Default Wordpress rewrite rules

          Source: Enabling Pretty Permalinks in Wordpress <http://www.iis.net/learn/extensions/url-rewrite-module/enabling-pretty-permalinks-in-wordpress>
        -->
        <rule name="WordPress Rule" stopProcessing="true">
          <match url=".*" />
          <conditions logicalGrouping="MatchAll">
            <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
            <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
          </conditions>
          <action type="Rewrite" url="index.php" />
        </rule>

        <!--
          Rewrite the gzip compressed CSS and JS files

          Source: Convert Apache .htaccess to IIS web.config, Part 2: IIS Manager import <http://www.saotn.org/convert-apache-htaccess-iis-web-config-part2-iis-manager-import/>
        -->
        <rule name="GZIP_RewriteRule" stopProcessing="true">
          <match url="(.*)" ignoreCase="false" />
          <conditions logicalGrouping="MatchAll">
            <add input="{REQUEST_METHOD}" pattern="POST" ignoreCase="false" negate="true" />
            <add input="{HTTP_ACCEPT_ENCODING}" pattern="gzip" ignoreCase="false" />
            <add input="{REQUEST_FILENAME}.gz" matchType="IsFile" />
          </conditions>
          <action type="Rewrite" url="{R:0}.gz" />
        </rule>
      </rules>
    </rewrite>

    <httpProtocol>
      <!--
        Some example response headers

        Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
      -->
      <customHeaders>
        <remove name="ETag"/>
        <!-- Set a Access-Control-Allow-Origin header -->
        <add name="Access-Control-Allow-Origin" value="*"/>
        <!-- Set a X-UA-Compatible header -->
        <add name="X-UA-Compatible" value="IE=Edge,chrome=1"/>
        <!-- remove the X-Powered-By header -->
        <remove name="X-Powered-By"/>
        <!-- Set a Cache-Control header with max-age=691200 value -->
        <add name="Cache-Control" value="max-age=691200" />
      </customHeaders>

      <!--
        Set MIME-type and charset for file extensions

        Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
      -->
      <staticContent>
        <remove fileExtension=".html" />
        <mimeMap fileExtension=".html" mimeType="text/html; charset=UTF-8" />
        <remove fileExtension=".htm" />
        <mimeMap fileExtension=".htm" mimeType="text/html; charset=UTF-8" />
        <!-- DON'T set UTF-8 for .css, it breaks markup in Internet Explorer -->
        <remove fileExtension=".css" />
        <mimeMap fileExtension=".css" mimeType="text/css" />
        <remove fileExtension=".js" />
        <mimeMap fileExtension=".js" mimeType="text/javascript; charset=UTF-8" />

        <!--
          Set Expire headers to 30 days for static content

          Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
        -->
        <clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="30.00:00:00" />
      </staticContent>
    </httpProtocol>

    <!--
      Gzip compression (not deflate), for both static and dynamic file types

      Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
    -->
    <!-- set minFileSizeForComp to 256 kilobytes, the minimum size to allow compression -->
    <httpCompression minFileSizeForComp="256">
      <scheme name="gzip" dll="%Windir%system32inetsrvgzip.dll" />
      <dynamicTypes>
        <clear />
        <add mimeType="text/*" enabled="true" />
        <add mimeType="message/*" enabled="true" />
        <!-- text/javascript MUST BE the same as in the mimeMap -->
        <add mimeType="text/javascript" enabled="true" />
        <add mimeType="*/*" enabled="false" />
      </dynamicTypes>
      <staticTypes>
        <clear />
        <add mimeType="text/*" enabled="true" />
        <add mimeType="message/*" enabled="true" />
        <!-- text/javascript MUST BE the same as in the mimeMap -->
        <add mimeType="text/javascript" enabled="true" />
        <add mimeType="*/*" enabled="false" />
      </staticTypes>
    </httpCompression>

    <!--
      Remove/disable unused handlers

      Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
    -->
    <handlers>
      <!-- remove Perl (.cgi, .pl) if unused -->
      <remove name="PerlPLX" />
      <!-- remove PHP3 (.php3) if unused -->
      <remove name="PHP3" />
      <!-- remove PHP4 (.php4) if unused -->
      <remove name="PHP4" />
      <!-- remove ISAPI_RewriteProxy 64-bit if unused -->
      <remove name="ISAPI_RewriteProxy-64" />
      <!-- remove ISAPI_RewriteProxy if unused -->
      <remove name="ISAPI_RewriteProxy" />
      <!-- remove PHP (.php) if unused -->
      <remove name="PHP" />
    </handlers>

    <!--
      Remove/disable unused modules, or add them

      Source: Convert Apache .htaccess to IIS web.config <http://www.saotn.org/convert-apache-htaccess-iis-web-config/>
    -->
    <modules>
      <!-- remove Helicontech APE -->
      <remove name="Helicon.Ape" />
      <!-- Add Uri- File- and Token cache modules -->
      <!-- for IIS Output Cache -->
      <add name="UriCacheModule" />
      <add name="FileCacheModule" />
      <add name="TokenCacheModule" />
    </modules>
  </system.webServer>
</configuration>