For future reference, this is what you have to do now:
<url>/admin/manage/privileges/
Change "Configuring privileges for..." from "Global" to each category. You can then remove all "Guest" privileges.
I'd like to say NodeBB is very exciting. It's so clean and functional, it really looks and feels next-gen. So forgive me if I get a little carried away here with my fantasy list of features. I'm not a developer, I'm a graphics designer, so i don't quite know what is or totally isn't possible with this software.
Next month I'd like to start working on a forum for what could end up as a fairly large group, and we have a bucket list of fantasy features:
This is just the bucket list. If people think that any of these are eventually possible, please message me I'd like to talk to you.
thanks for the kind words!
I think a few of these features already exist its 3:20 am here so I'm going to sleep instead of replying properly
one thing I do have to say though, is that we need more theme designers (we only have our awesome @trevor that is doing some cool things so far), so I think there's a lot of room for you to be able to contribute I hope
6 - there's a way to close registration up, so I think building an invite box in the admin panel might not be too difficult
7 - right now there's a moderator threshold you can set in the control panel (ex. if you hit 1000 reputation, you become able to delete posts). At some point we'll implement a thumbs down as well
8 - right now we have the youtube, dailymotion, and vimeo plugins. For images, you'd need to use markdown syntax ex. 
although a plugin for this could be possible as well
I think everything else will find themselves implemented via plugins at some point in time. All of them are valid and pretty important things to have!
Thats very exciting. For #7, new members tend to ask questions and get hazed by the veterans. Flame wars start this way and eventually someone gets banned and/or the new member quits the forum. Giving a new member moderator powers of their own thread should work. I think psychologically, simply knowing that you can delete offensive comments alleviates much of the stress of being a new member. You don't feel quite as powerless.
Also happy New Years everyone. This is a great way to start 2014.
Happy new year!
Happy New Year! Lets start out this new year with a bang!
Nice! That's what I had in mind.
6 - there's a way to close registration up, so I think building an invite box in the admin panel might not be too difficult
7 - right now there's a moderator threshold you can set in the control panel (ex. if you hit 1000 reputation, you become able to delete posts). At some point we'll implement a thumbs down as well
8 - right now we have the youtube, dailymotion, and vimeo plugins. For images, you'd need to use markdown syntax ex.

although a plugin for this could be possible as wellI think everything else will find themselves implemented via plugins at some point in time. All of them are valid and pretty important things to have!
Thanks for the support this morning @Julian. I really appreciate it. I definitely will use node in the future soon as few more things are in place. In the meantime i'll take a look at what I can do to the themes to make NodeBB work for me.
@kevin - No problemo. Hopefully we'll see you back at NodeBB sometime in the future