Access Remote Mac without any commercial Apps

You can connect to your remote Mac using only pre-installed softwares on Mac OS.

Remote Mac:

- open System Preferences > Sharing. Check 'Screen Sharing'

Client Mac:

- open Terminal.
- cd /System/Library/CoreServices/Applications
- open "Screen Sharing.app"
- enter IP address of remote mac

Screen sharing protocol uses VNC and the default port is 5900.

You need to set port-forwarding if you want to access remote mac from outside of an AP.