Web Control extension isn't available in Firefox 74 and later
Last Modified: 2023-06-06 10:49:30 Etc/GMT
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Web Control extension isn't available in Firefox 74 and later
Technical Articles ID:
KB92605
Last Modified: 2023-06-06 10:49:30 Etc/GMT Environment
Endpoint Security (ENS) Web Control 10.x Mozilla Firefox 74 and later Problem
The ENS Web Control extension doesn't appear in the Firefox 74 and later extensions list for new installations. ENS Web Control doesn't display any error to the client.
System Change
New installation of Firefox 74 or later.
Cause
Firefox 74 and later block extensions that perform sideloading. The ENS Web Control extension uses sideloading in the Firefox browser. For more information, see this Mozilla blog. Solution
Use Active Directory (AD) to install the ENS Web Control extension. Firefox provides ADMX templates that you can use to configure an AD policy to enable the ENS Web Control extension. For instructions, see KB87568 - Web Control browser extension must be enabled by the user.
Workaround
Firefox 73 and earlier with the ENS Web Control extension enabled can be upgraded to Firefox 74 and later and retain the ENS Web Control extension. To install the ENS Web Control extension, perform the following steps:
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