To configure Oracle for a specific set of IP addresses, you can add the TCP.EXCLUDED_NODES and/or TCP.INCLUDED_NODES parameters to your sqlnet.ora config file. For example, to exclude all IP address 184.108.40.206, add the following entry:
To include specific IP addresses, use the TCP.INCLUDED_NODES parameter. The list of included nodes takes precendence over the list of excluded nodes. For more information, please refer to the Oracle documentation.
After you have configured your excluded/included nodes, you also need to add the following:
If this stops the listener from working, then the most likely cause is that the above values were not entered correctly.
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