VNCR is set in the listener.ora file but still able to register a REMOTE Database to the Listener
(Doc ID 2302966.1)
Last updated on FEBRUARY 12, 2020
Applies to:Oracle Net Services - Version 126.96.36.199 and later
Information in this document applies to any platform.
After applying the Valid Node Checking Registration (VNCR) security setting to a TNS Listener, remote registration is STILL possible from another (remote) Server.
So the following parameter is set and the listener process (called LISTENER_SECURE in this example) was restarted:
This should not be happening when VNCR is set to ON
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