Forum / NoMachine for Mac / Error: Could not connect to server / Reply To: Error: Could not connect to server
February 24, 2014 at 15:55 #2535
You need to open port 4000 TCP (or the port you decided to use for the NX service) on your firewall configuration. The ports are added automatically to the firewall configuration on Windows. Not so on Mac and Linux. This is going to change in the future.