Azure服务器上Drupal站点字体文件加载失败（报404错误）

服务器上存在一个字体文件，但访问时返回404错误。

以下是web.config文件内容：

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <system.webServer>
    <!-- Don't show directory listings for URLs which map to a directory. -->
    <directoryBrowse enabled="false" />

    <!--
       Caching configuration was not delegated by default. Some hosters may not
       delegate the caching configuration to site owners by default and that
       may cause errors when users install. Uncomment this if you want to and
       are allowed to enable caching.
     -->
    <!--
    <caching>
      <profiles>
        <add extension=".php" policy="DisableCache" kernelCachePolicy="DisableCache" />
        <add extension=".html" policy="CacheForTimePeriod" kernelCachePolicy="CacheForTimePeriod" duration="14:00:00" />
      </profiles>
    </caching>
     -->

    <rewrite>
      <rules>
        <rule name="Protect files and directories from prying eyes" stopProcessing="true">
          <match url="\.(engine|inc|install|module|profile|po|sh|.*sql|theme|twig|tpl(\.php)?|xtmpl|yml|svn-base)$|^(code-style\.pl|Entries.*|Repository|Root|Tag|Template|all-wcprops|entries|format|composer\.(json|lock)|\.htaccess)$" />
          <action type="CustomResponse" statusCode="403" subStatusCode="0" statusReason="Forbidden" statusDescription="Access is forbidden." />
        </rule>

        <rule name="Force simple error message for requests for non-existent favicon.ico" stopProcessing="true">
          <match url="favicon\.ico" />
          <action type="CustomResponse" statusCode="404" subStatusCode="1" statusReason="File Not Found" statusDescription="The requested file favicon.ico was not found" />
          <conditions>
            <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
          </conditions>
        </rule>
    <!-- To redirect all users to access the site WITH the 'www.' prefix,
     http://example.com/foo will be redirected to http://www.example.com/foo)
     adapt and uncomment the following:   -->
    <!--
        <rule name="Redirect to add www" stopProcessing="true">
          <match url="^(.*)$" ignoreCase="false" />
          <conditions>
            <add input="{HTTP_HOST}" pattern="^example\.com$" />
          </conditions>
          <action type="Redirect" redirectType="Permanent" url="http://www.example.com/{R:1}" />
        </rule>
    -->

    <!-- To redirect all users to access the site WITHOUT the 'www.' prefix,
     http://www.example.com/foo will be redirected to http://example.com/foo)
     adapt and uncomment the following:   -->
    <!--
        <rule name="Redirect to remove www" stopProcessing="true">
          <match url="^(.*)$" ignoreCase="false" />
          <conditions>
            <add input="{HTTP_HOST}" pattern="^www\.example\.com$" />
          </conditions>
          <action type="Redirect" redirectType="Permanent" url="http://example.com/{R:1}" />
        </rule>
    -->

        <!-- Pass all requests not referring directly to files in the filesystem
         to index.php. -->
        <rule name="Short URLS" stopProcessing="true">
          <match url="^(.*)$" ignoreCase="false" />
          <conditions>
            <add input="{REQUEST_FILENAME}" matchType="IsFile" ignoreCase="false" negate="true" />
            <add input="{REQUEST_FILENAME}" matchType="IsDirectory" ignoreCase="false" negate="true" />
            <add input="{URL}" pattern="^/favicon.ico$" ignoreCase="false" negate="true" />
          </conditions>
          <action type="Rewrite" url="index.php" />
        </rule>
      </rules>
    </rewrite>

  <!-- If running Windows Server 2008 R2 this can be commented out -->
    <!-- httpErrors>
      <remove statusCode="404" subStatusCode="-1" />
      <error statusCode="404" prefixLanguageFilePath="" path="/index.php" responseMode="ExecuteURL" />
    </httpErrors -->

    <defaultDocument>
     <!-- Set the default document -->
      <files>
         <clear />
        <add value="index.php" />
      </files>
    </defaultDocument>

  </system.webServer>
</configuration>

该站点部署在Azure服务器上，猜测问题可能源于重写规则，但无法准确定位，恳请各位提供解决思路。

内容的提问来源于stack exchange，提问作者Vpp Man