Using the Blacklist/Deny setting
Overview
CAST Imaging makes it possible to blacklist/deny a specific extension. This action prevents the extension from being made available for installation, even if the extension has been set to Force Install:
When should I use this option?
One example could be a situation where a User Community/Labs extension generates results that conflict with an official CAST “product” extension.
Can I see which extensions are blacklisted/denied?
Use the filter column: