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port check server to server

edited Sep 24, 2020 9:53AM in Linux Operating System (MOSC) 6 commentsAnswered ✓

I may be facing an issue with ports being blocked and I'm wondering which default and supported methods we (Oracle) have as a tool to check the status of that.

So, I'm installing Oracle middleware software, on an Oracle Linux server, and I need to connect to an Oracle database which is running on an Oracle Linux.

The database in question is a 19c. All Linux involved are 7.8

The database's listener is running port 1521, and both the database and the listener are obviously up.

So, I need to check if I can connect to port 1521, from the middleware server. The middleware server has NO Oracle software installed yet (because that is the process that is currently blocked), but the Oracle Linux server should have all the prereqs to run the Oracle middleware softare in question.

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