Anyone can post/create topic
Currently anyone can post.
In all the settings in the backend I have aligned the forum access to no access using the usergroup, I've tried creating a custom user group as well and which ever possibility I use, the front end forum ignores this.
I don't want non-registered people to create topics and create posts.
I have disabled all cache and cleared it multiple times. I've tried different browsers and incognito etc.
Here is other image to demonstrate