Listener: password protected?

--
LSNRCTL> status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
Start Date 04-JAN-2011 04:59:28
Uptime 0 days 0 hr. 0 min. 18 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Log File C:\oracle\product\10.2.0\db_3\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=PC210881539119)(PORT=1521)))
Services Summary...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orcl_XPT" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL> change_password
Old password:
New password:
Reenter new password:
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
Password changed for LISTENER
The command completed successfully
--
LSNRCTL> status
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
Start Date 04-JAN-2011 04:59:28
Uptime 0 days 0 hr. 1 min. 7 sec
Trace Level off
Security ON: Password or Local OS Authentication
SNMP OFF
Listener Log File C:\oracle\product\10.2.0\db_3\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=PC210881539119)(PORT=1521)))
Services Summary...
Service "+ASM_XPT" has 1 instance(s).
Instance "+asm", status BLOCKED, has 1 handler(s) for this service...
Service "+asm" has 1 instance(s).
Instance "+asm", status BLOCKED, has 1 handler(s) for this service...
Service "orcl" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
Service "orcl_XPT" has 1 instance(s).
Instance "orcl", status READY, has 1 handler(s) for this service...
The command completed successfully