To configure service options, go to 
> Settings > NetFlow Settings > Configuration tab.
NetFlow General
- Collection port - port used by the application to receive the netflow data. The value has to be the same as the value set on your network devices which export the netflow data (Exporters). Default value is 2055.
- Collection port timeout - UDP socket timeout in seconds
End Users
- End users collection port - port used by the application to receive the user logon/logoff syslog messages. The value has to be the same as the value set on your syslog agent. Default value is 33515.
- End users collection port timeout - UDP socket timeout in seconds