| | Dom.ID | Domain name | Source device | Destination devices |
| | Dom1 | Internet | Manager PC | (Application server, 22) (ERP server, 3389) (web server, 80) (proxy server, 8090&4900) | | Application server | (Data server, 3306) | | ERP server | (Data server, 3306) | | Data server | (Mail server, 80) (DNS server, 53) |
| | Dom2 | DMZ | Web server | (Historian, 80) | | Mail server | (Proxy server, 8090 & 4900) | | DNS server | (Proxy server, 8090 & 4900) | | Proxy server | (Proxy client, 1200) |
| | Dom3 | Scheduling | Proxy client | (Historian, 80) (MES client, 445) | | MES client | (MES server, 22) | | MES server | (Historian, 80) | | Historian | (OPC server, 8080) |
| | Dom4 | Supervision | OPC server | (EWS1, 445 & 139) (EWS2, 3389) (OWS, 445) | | EWS1 | (HMI1, 2308 & 1033) (HMI2, 2308, & 1033) | | EWS2 | (PLC1, 102) (PLC2, 102 & 502) | | OWS | (HMI2, 2308 & 1033) (PLC1, 102) (PLC2, 102 & 502) |
| | Dom5 | Process | HMI1 | (PLC1, 102) | | HMI2 | (PLC2, 102) | | PLC1 | (PLC2, 502) |
|
|
