Port 390 is often used by the Unidata UDPROXY program, which is a middleware software component designed to provide Internet Protocol (IP) connectivity between remote Unidata systems. It is also sometimes used by the IBM AIX nfsd daemon for network file system operations.
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 390 |
tcp |
uis |
UIS |
WELL KNOWN PORT |
Port 390 |
udp |
uis |
UIS |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |