Oracle listener port - server health monitoring

I want to use Intermapper to monitor the health of my Oracle server. Which port should I have Intermapper watching? How do you monitor the health of your server?
Thanks.

Does Interapper have some guidance? If you're using the default listener port of 1521, you may be able to verify that the listener is up, but that doesn't mean that the database is up or accepting connections. Without actually logging in, I'm not sure what sort of monitoring you'd actually get...
Justin
Distributed Database Consulting, Inc.
http://www.ddbcinc.com/askDDBC

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