0, external procedure calls, and heterogeneous
services.
SID_DESC Specifies service information for a specific instance or
service. Embedded within SID_LIST.
ENVS Specifies environment variables for the listener to set
prior to executing a dedicated server program or an
executable specified via the PROGRAM parameter.
Embedded within SID_DESC.
GLOBAL_DBNAME Identifies the database service. Embedded within
SID_DESC.
ORACLE_HOME Specifies the Oracle software home directory for the
service. Embedded within SID_DESC.
PROGRAM Names the service executable program. Embedded
within SID_DESC.
SID_NAME Specifies the Oracle instance name for the service.
Embedded within SID_DESC.
SDU Specifies the session data unit (SDU) size for data packet
transfers. Values are 512 to 32768 bytes. Embedded
within SID_DESC.
ADMIN_RESTRICTIONS_listener_name Disables run-time modification of listener parameters.
Values are ON and OFF (the default).
TABLE 15-1 listener.ora Parameters
520 Oracle Database 11g DBA Handbook
You can modify the listener parameters after the listener has been started. If you use the
SAVE_CONFIG_ON_STOP option, any changes you make to a running listener will be written
to its listener.ora file. See examples of controlling the listener behavior later in this chapter.
Using the Oracle Net Configuration Assistant
The Oracle Net Configuration Assistant performs the initial network configuration steps after the
Oracle software installation and automatically creates the default, basic configuration files.
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