Using MIME and Configuring Custom File Types

Every file that’s transferred between IIS and a client browser has a data type designator, which is expressed as a Multipurpose Internet Mail Extensions (MIME) type. IIS fully supports MIME.

Understanding MIME

To understand MIME, you need to know how servers transfer files using HTTP. HTTP is a multipurpose protocol that you can use to transfer many types of files, including full-motion video sequences, stereo sound tracks, high-resolution images, and other types of media. The transfer of media files wouldn’t be possible without the MIME standard. Web servers use MIME to identify the type of object being transferred. Object types are identified in an HTTP header field that comes before the actual data, ...

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