Port 378 is typically used for communication with parallel port printers or other devices connected through a parallel port. It is also often used for controlling legacy hardware such as scanners and cameras. However, it is not commonly used in modern computer systems which have shifted to using USB and other interfaces for peripheral devices.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 378 |
tcp |
dsETOS |
NEC Corporation |
WELL KNOWN PORT |
Port 378 |
udp |
dsETOS |
NEC Corporation |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |