Port 7872 is automatically assigned to the EGO service controller during installation. This port can be customized by editing the ESC_PORT value in the service controller configuration file.
Windows: %EGO_CONFDIR%\..\..\eservice\esc\conf\egosc_conf.xml
Linux/UNIX: $EGO_CONFDIR/../../eservice/esc/conf/egosc_conf.xml