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.
References:
-
Connecting with Oracle: Oracle Ports
By
Steve Callan
April 8, 2004
Database Journal
-
Identifying Oracle database installations during a network scan
By Mark Rowe
Pentest Limited
-
"NERP" DoS attack possible in Oracle
August 27, 1998
Denial of Service Database
-
Unix Tip: Finding services on a subnet
By Sandra Henry-Stocker, ITworld.com
May 14, 2007
openitworld.com
-
Cisco PIX: Advanced Features and Attack Guards
By Andy Fox,
David W. Chapman
December 28, 2001
Cisco Press