DLP Endpoint Prevent is only blocking files uploaded with Chrome, but not with any other web browser.
Last Updated April 26, 2019
You have deployed Symantec Data Loss Prevention (DLP) Endpoint Prevent and sensitive data is only being blocked when uploaded with Google Chrome. Attempts to upload sensitive data with Firefox or Internet Explorer (IE) are not generating any incidents or being blocked.
Your agent configuration is misconfigured.
The web browser version installed on your DLP agent systems is unsupported.