| Definition |
The external port exposed by the service |
The internal port on the pod or container |
| Purpose |
Specifies the port on the host accessible externally |
Indicates the port where the application listens |
| Visibility |
Accessible from outside the cluster |
Accessible only within the cluster |
| Configuration |
Defined in the service configuration |
Defined in the pod or container specification |
| Traffic flow |
Receives incoming traffic to the service |
Receives forwarded traffic from the «Port» column |
| Use case |
Allows clients to connect to the service |
Routes traffic to the correct application port |
