MACROMEDIA FLASH MX 2004-GETTING STARTED WITH FLASH Getting Started page 20

A browser that receives the correct MIME type can load the appropriate plug-in, control, or
helper application to process and properly display the incoming data. If the MIME type is
missing or not properly delivered by the server, the browser might display an error message or a
blank window with a puzzle piece icon.
To configure a server for Flash Player, do one of the following:
•
If your site is established through an Internet service provider (ISP), ask the ISP to add this
MIME type to the server: application/x-shockwave-flash with the .swf extension.
•
If you are administering your own server, see your web server documentation for instructions
on adding or configuring MIME types.
Corporate and enterprise system administrators can configure Flash to restrict access by Flash
Player to resources in the local file system. You can create a security configuration file that limits
Flash Player functionality on the local system.
The security configuration file is a text file placed in the same folder as the Flash Player installer.
The Flash Player installer reads the configuration file during installation and follows its
security directives. Flash Player exposes the configuration file to ActionScript using the
System object.
With the configuration file, you can disable access by Flash Player to the camera or microphone,
limit the amount of local storage Flash Player can use, control the auto-update feature, and block
the Player from reading anything from the user's local hard disk.
For more information about security, see "System class" in Flash ActionScript Language Reference.
20 Chapter 2: Installing Flash