In this video, you will learn how to setup remote Screen Sharing between two macOS computers over the internet without opening any ports.
0:34 Enable Screen sharing (target Mac computer)
1:05 Register the device on remote.it (target Mac computer)
2:23 Create a VNC service on remote.it (target Mac computer)
4:08 Connect remotely (from a remote Mac computer)
5:23 Terminate the connection (from a remote Mac computer)
Additional Links and Resources
Peer-2-Peer (P2P) connection information (referenced at 4:47):