Monday, November 28, 2011
Database Links Security
Database links (DBLinks in Oracle) are a technique for one database to connect to a remote database and execute queries. The originating database uses an account in the remote destination database to connect. This connection thus uses a username and password of an account in the destination database. The connection has the privileges of the account that’s used in the destination database.
Database links introduce several insecurities for the destination database:
Database links can be made secure through a combination of technical and process controls: