Port 1521

Port 1521 is designated as ncube-lm for the nCube License Manager by the IANA , but is also used by Oracle. Oracle uses the port for the Oracle Transparent Network Substrate (TNS) protocol, which is used between a database server and database client applications. SQL*Net (Oracle 7) and Net8 (Oracle 8) are examples of TNS enabled applications.


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    August 27, 1998
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