Listing C
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
   <system.web>
   <!-- UNCOMMENT THE LINES BELOW TO SECURE THE WEB SERVICE FROM PUBLIC ACCESSIBILITY -->
      <webServices>
         <protocols>
          <remove name="Documentation" />
          <remove name="HttpGet" />
          <remove name="HttpPost" />
         </protocols>
      </webServices>
   </system.web>
</configuration>