Avoiding client Connection from specifice IPs to Oracle Using sqlnet.ora on the server



vi sqlnet.ora

add these lines

TCP.VALIDNODE_CHECKING=YES
TCP.EXCLUDED_NODES=(10.35.9.109) 
TCP.INVITED_NODES=(10.35.9.106)


Lsnrctl stop
Lsnrctl start

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And that's all there is to it!

If anyone has any other questions or requests for future How To posts, you can either ask them in the comments or email me. Please don't feel shy at all!

I'm certainly not an expert, but I'll try my hardest to explain what I do know and research what I don't know.

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