Is it possible/wise to have 2 listeners for a single 8i database?

I currently have an 8i database with one listener. That listener has TCP.INVITED_NODES set in the sqlnet.ora. We have some DBAs that may need to add their own machines to the TCP.INVITED_NODES list on an ad-hoc basis. Since 8i does not let you change the TCP.INVITED_NODES without restarting the listener, I'm wondering if it's possible/wise to set up a 2nd listener. Then those DBAs could use the 2nd listener to update that list and stop/start the listener without any risk of interruption to the 1st listener which is used by production applications. We are hesitant to include DBAs' addresses in the permanent TCP.INVITED_NODES list for the current listener because if their IP address ever changed, and the listener was rebooted, then the listener would not start.
Thank you.

the listener is NOT involved with any existing session.
stopping & restarting the listener has NO impact on existing sessions.
I suggest it is better to control network access to any system using a Firewall which is the best tool for this task.
Yes, it is possible to have more than 1 listener. It is also possible to poke yourself in the eye with a sharp pencil.
I suggest that you should avoid both of these possible activities.
Simply put having multiple listeners is wrong for multiple reasons & should be avoided.

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