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
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Port 657
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Port 1196
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Port 1315
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Port 9595
Ports those registered with IANA are shown as official ports. The same port number
Port 27000
Port 27000 is commonly used as the default port for license managers, such as
Ports 29400 – 29500
Port 29400- Port 29500 Port 29500- Port 29600 Port 29600- Port 29700 Port 29700-
Port 5445
Ports those registered with IANA are shown as official ports. The same port number
Port 397
Ports those registered with IANA are shown as official ports. The same port number
Port 903
Port 903 is typically used for remote monitoring and management of distributed Java applications.
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