New answers tagged blob-cache
You can modify web.config settings is to use the SPWebConfigModification class of the Microsoft.SharePoint.Administration namespace, which allows you to dynamically register entities. These modifications are persisted in the configuration database where they function as a kind of virtual web.config that effectively serves as the final layer of the .config ...
You can read the following for general guidelines around Blob configuration for media in sharepoint Caching Best practices in SharePoint Blob configuration steps in SharePoint This is pretty generic, but is a worthwhile read : Security Best Practices
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