Local File Links

Supported on: Firefox 68.5 ESR or later

Registry

HKLM Software\Policies\Mozilla\Firefox\LocalFileLinks

HKCU Software\Policies\Mozilla\Firefox\LocalFileLinks

Options

List (registry values) list - list under Software\Policies\Mozilla\Firefox\LocalFileLinks

Description

If this policy is enabled, you can specify origins where linking to local files is allowed. If this policy is disabled or not configured, websites can't link to local files.