| Subject | English | German |
| tech. | number of ports | Portanzahl |
| tech. | port number | Portnummer |
| comp., MS | port number | Portnummer (A number that identifies a certain Internet application. For example, the default port number for the WWW service is 80) |
| tech. | port number | Portzahl |
| IT | port number | Port-Nummer |
| comp. | port number | Einlassnummer |