How to Make a WhiteList for DB Connection
Database Whitelist If there's only a few clients that use the database, we can make a whitelist to explicitly accept those clients. We take 2… Read More »How to Make a WhiteList for DB Connection
srvctl start listener
How to Make a BlackList for DB Connection
Database Blacklist Unexpected connections may be seen in your listener log, we can make a blacklist to explicitly block those clients. We take 2 steps… Read More »How to Make a BlackList for DB Connection
How Oracle Restart SCAN
You cannot stop SCAN (Single Client Access Name) before stopping SCAN_LISTENER, so if you want to restart SCAN, you have to consider how to handle… Read More »How Oracle Restart SCAN