I see - I'm trying to set it up for a friend of mine; do both parties need to have our ports forwarded or only the person who creates the world? Since it's p2p it isn't really a host? Networking is such a mess! The error my friend is getting is "Couldn't establish network connection with server ...

I set up my port forwarding by assigning it to my static ip:
http://i.imgur.com/BTNh29S.png
http://i.imgur.com/I5u1Kv9.png
however I still get this error on http://www.canyouseeme.org/
http://i.imgur.com/ZP0wdR7.png

I added exceptions to my firewall and even tried turning it off entirely. Not ...

I see a few of these threads around and apologize for throwing another one up here, but I am unsure where else to turn to.
My first post isn't allowed to have URLs, so the images are coming in the next post!