How to ban guests from new topic creation?

subj

i.e. - guests may only post their comments, but not allowed to post their own new topics.

Thank you! :)

"Post-only" forums option enables new topic creation for everybody - guests and members. If you want only guests can not create new topics, at the end of your language pack, try to paste this line:

if($forum!=0 and $user_id==0 and !in_array($forum, $poForums)) $poForums[]=$forum;

Great! That works! Thank you very much!