Overview
Umbrella's File Type Control feature—enabled through the Web policy's rulesets—controls identity access to file types. When enabled, an identity that attempts to download a selected file type is presented with a Block page and the requested file cannot be downloaded.
Umbrella's File Type Control feature, you can manage the types of file that identities can download. Umbrella checks a file based on its file extension and also uses a detection engine to evaluate the file. For example, if a .gif files extension is changed to .xyz, Umbrella will still detect that the file is a .gif.
Rule Action and Outcome
Below is the full list of Filetype control outcomes based on Actions selected are shown in the table below:
| Rule Action | Outcome |
| Allow (with security applied) | Any file types matching the parent ruleset’s File Type Control configuration will be blocked. |
| Allow (with security overridden) | The parent ruleset’s File Type Control configuration will be ignored. |
| Warn | The end-user clicks through the warning page to proceed, any file types matching the parent ruleset’s File Type Control configuration will be blocked. |
| Block | The transaction is stopped and the parent ruleset’s File Type Control configuration is irrelevant. |
| Isolate | But the end-user chooses to download a file from the isolated remote browser’s document viewer, any file types matching the parent ruleset’s File Type Control configuration will be blocked. |
More information on how to set up File Type Control can be found here: Manage File Type Control
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