I'm testing full DLP 9.1 in all it functionality under ePo 4.5.
Specifically, a Web Protection Rule written for blocking upload of tagged files
as attachments in emails, or to a web storage, works (Internet Explorer) if
no Silverlight plug-in is installed.
When Silverlight is applied for a rich interface and a better user experience
(it's enough) all files previously blocked are free to go out.
Are there any solutions? The workaround should be to uninstall Silverlight
everywhere in the enterprise.