Port 56 is not a standard port used in networking. It is classified as an unassigned port, which means it has not been designated for any specific protocol or service. However, it could potentially be used for custom or private applications.
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 56 |
tcp |
xns-auth |
XNS Authentication |
WELL KNOWN PORT |
Port 56 |
udp |
xns-auth |
XNS Authentication |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |
Port 56 | Route Access Protocol (RAP) |