Fb Config.anom -

: In Settings & Privacy > Settings > Privacy , use the option to "Limit the audience for posts you've shared with friends of friends or public" to retroactively hide old content.

: Developers manage core app configurations (App ID, App Secret) through the Meta App Dashboard . fb config.anom

To provide a more specific guide, could you clarify if is a specific file name you found or if you are trying to configure anonymous features on a page or group? : In Settings & Privacy > Settings >