Disable the OS authentication in Listener Oracle
Oracle listener is securing listener by using Local OS authentication.
Local OS authentication means you are working on user account in machine which the listener is running and configured.
(means user is the owner of Oracle while installation)
Check listener Status to See OS authentication is on or off
lsnrctl status
C:\oracle>lsnrctl status
LSNRCTL for 64-bit Windows: Version 12.1.0.2.0 - Production on 19-APR-2018 02:10:32
Copyright (c) 1991, 2017, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.1.85)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for 64-bit Windows: Version 12.1.0.2.0 - Production
Start Date 18-APR-2018 13:05:31
Uptime 0 days 13 hr. 5 min. 2 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Disable Local OS Authentication
Go to the Location %ORACLE_HOME%\network\admin and add a new parameter in Listener.ora File
local_os_authentication_=off
In my case, i am having default listerner name, so used LISTENER
local_os_authentication_LISTENER=off
