That is Only the site admin can create topic.
(2) How to password or secure a particular topic in a forum?
that is only member who has the password can view the topic
That is Only the site admin can create topic.
(2) How to password or secure a particular topic in a forum?
that is only member who has the password can view the topic
That is Only the site admin can create topic.
you can create a separate user role for an admin with all actions and remove the action create/edit topics for members, there button "New Topic" will be displayed to all, but if a member click on it, he gets the message: "You can't view this page due to limited permissions"
as to your second question, this is considered as a custom code modification