Yes, the commands work. I believe that a "service" is pinging the listener.
It also shows up as an error in a management console. thanks.
I experienced this myself on a pwd protected listener. It resulted from users attempting to manage the listener locally and remotely without knowing the password. I took it as a good indication that security is working and left at that. Why is it an issue for you?-- //www.freelists.org/webpage/oracle-l
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