Hexnode MDM needs the following ports to be open for communication.
Port 80 :The default application port used during the installation of Hexnode MDM.
Port 443 :Used for secured and encrypted connection between mobile devices and Hexnode MDM.
Port 2195 (outbound): This port must be open for the Hexnode MDM server to communicate with
APNs (Host Address is gateway.push.apple.com).
Port 5223(outbound): If the mobile devices are connected to the internet through a Wi-Fi, this port
should be open.