Mosh
Mosh is a tool used to connect from a client computer to a server over the Internet, to run a remote terminal. Mosh is similar to SSH, with additional features meant to improve usability for mobile users.
Installing
In your server:
# pkg_add mosh
In your client:
# pkg_add mosh
That's it.
How to use
Connect just like how you connect with ssh command.
$ mosh username@yourhost.com
Troubleshooting
Can't Scroll \
Use tmux / screen
Could not connect / Firewalled \
Make sure that your server allow UDP port from range 60000-61000.