October 2012
Intermediate to advanced
302 pages
5h 25m
English
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Controlling client connections using the TCP.VALIDNODE_CHECKING listener parameter
The usage of the valid node checking security feature is very similar to the TCP wrappers presented in Chapter 1, Operating System Security. Using this capability, you can deny or the allow connecting clients based on IP address or hostname.
Getting ready
All steps will be performed on nodeorcl1.
How to do it...
- Open
$ORACLE_HOME/network/admin/sqlnet.oraand enable valid node checking by settingTCP.VALIDNODE_CKECINKas follows:TCP.VALIDNODE_CHECKING=ON - Next, you can establish the hosts that will be allowed to connect by setting the
TCP.INVITED_NODESparameter as follows:TCP.INVITED_NODES= {nodeorcl5} - After you add the invited nodes you must reload the listener ...
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