Initialization Parameters Used for Installation and Configuration Security

SEC_RETURN_SERVER_RELEASE_BANNER

FALSE

Controls the display of the product version information, such as the release number, in a client connection. An intruder could use the database release number to find information about security vulnerabilities that may be present in the database software. You can enable or disable the detailed product version display by setting this parameter.

See Oracle Database Security Guide for more information about this and similar parameters. Oracle Database Reference describes this parameter in detail.

O7_DICTIONARY_ACCESSIBILITY

FALSE

Controls restrictions on SYSTEM privileges. See "Enabling Data Dictionary Protection" for more information about this parameter. Oracle Database Reference describes this parameter in detail.