Port 1521

Modified by:

Port 1521 is commonly used for Oracle database communication. It is the default port for the Oracle Enterprise Manager Console and for Oracle Net Services. It is also used for managing the Oracle database listener, which is responsible for accepting incoming connections and routing them to the appropriate Oracle database instance.

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 1521
tcp
ncube-lm
nCube License Manager
REGISTERED PORT
Port 1521
udp
ncube-lm
nCube License Manager
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
Port 1521 Oracle database default listener, in future releases official port 2483
TCP UDP Ports
Other ports
Ports 16000 – 17000
Port 16000- Port 16100 Port 16100- Port 16200 Port 16200- Port 16300 Port 16300-
Port 1213
Ports those registered with IANA are shown as official ports. The same port number
Ports 56400 – 56500
Port 56400- Port 56500 Port 56500- Port 56600 Port 56600- Port 56700 Port 56700-
Port 1489
Ports those registered with IANA are shown as official ports. The same port number
Port 1321
Ports those registered with IANA are shown as official ports. The same port number
Port 4125
Port 4125 is generally used for Remote Web Workplace (RWW) and Remote Desktop Gateway
Port 25
Port 25 is used for SMTP (Simple Mail Transfer Protocol), which is responsible for
Port 43594
Port 43594 is commonly used for online gaming, particularly for the popular game called
Port 9400
Ports those registered with IANA are shown as official ports. The same port number
Port 66
Ports those registered with IANA are shown as official ports. The same port number
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