It can be changed by applying the following settings.
(1) On the NetSkateKoban Sensor side
In the "NetSkateKoban Sensor Configuration" screen of the web management UI, set the desired port number in the "Port" field under "ARP Poisoning Agent Configuration".
(2) On the NetSkateKoban Manager side
File name: config\ports.conf
Change the value of "ARPAGENT_RMI_PORT" to the port number configured in step (1).