Port 1421 is typically used for Oracle Names Resolution Service, which is part of the Oracle Net Services suite. It is used to resolve the names of Oracle database instances to their corresponding network addresses so that clients can connect to them.
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 1421 |
tcp |
gandalf-lm |
Gandalf License Manager |
REGISTERED PORT |
Port 1421 |
udp |
gandalf-lm |
Gandalf License Manager |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |