Question: How to define MIME type in IIS for specific extension?
To define a MIME type for a specific extension, follow these steps:
If you want to serve all files regardless of the file name extension (for example, if you cannot predict all files that will be served), follow these steps to add a wildcard character mapping:
Note: You should only add the wildcard mapping to the IIS MIME map as a temporary solution during troubleshooting. After you have determined that a missing MIME type is the cause of the issue, remove the wildcard mapping and add the specific mapping for the MIME type that you need to serve.
Note: In addition to making these changes at the global level in IIS, you can add necessary MIME types at lower levels in the metabase. When you do this, you can specify the sites or directories that are permitted to serve content with a specific file name extension instead of globally allowing all sites to serve that extension.
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