Remove Admins, Moderators and Staff.
Remove all TL except TL1 and enable reply & create. All users TL1 and up should be able to post.
- Everyone - logged in and not logged in. Fully public unless Forum requires login to view content. Min TL to create/reply if enabled is TL0.
- Trust Level X - Logged in users with min TL required. Any member that has a TL= to X or greater than X can view content in a category & create/reply(when these 2 are enabled
Admins & Mods have full category access
If you create a Group say Group A and set category for custom Group A only to See/Create/Reply. An admin can still participate in this private category. Now if you want Moderators to be able to see/create/reply then you need to add that group to that private group’s category.