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You use Event Viewer to view events that Windows XP Professional has recorded in the security log. You can also archive log files to track trends over time for example, to determine the use of printers or files or to verify attempts at unauthorized use of resources. This lesson covers configuring an audit policy and enabling auditing of var-

Implementing an Audit Policy 16-37

Configuration cfg = new Configuration().configure(); SchemaUpdate schemaUpdate = new SchemaUpdate(cfg); schemaUpdate.execute(false);

ious resources and events. You will learn more about using Event Viewer in 18, Using Windows XP Tools. The requirements to set up and administer auditing are as follows:

You must have the Manage Auditing And Security Log user right for the computer on which you want to configure an audit policy or review an audit log. By default, Windows XP Professional grants these rights to the Administrators group. The files and folders to be audited must be on NTFS volumes.

The false setting at the end again disables printing of the SQL DDL to the console and only executes the statements directly on the database. If you export the DDL to the console or a text file, your DBA may be able to use it as a starting point to produce a quality schema-evolution script. Another hbm2ddl.auto setting useful in development is validate. It enables SchemaValidator to run at startup. This tool can compare your mapping against

Setting up auditing for objects (files, folders, and printers) is a two-part process: 1. Set the audit policy. The audit policy enables auditing of objects but does not activate auditing of specific objects. 2. Enable auditing of specific resources. You designate the specific events to audit for files, folders, printers, and Active Directory objects. Windows XP Professional then tracks and logs the specified events.

When you plan an audit policy, you must determine what you want to audit and the computers on which to set up auditing. Auditing is turned off by default. As you determine which computers to audit, you must also plan what to audit on each one. Windows XP Professional records audited events on each computer separately. The types of events that you can audit include the following:

the JDBC metadata and tell you if the schema and mappings match. You can also run SchemaValidator programmatically:

ost IT projects deployments included end up being much less simple than they appear on paper. In a perfect deployment, administrators have identical,

Accessing files and folders Logging on and off Shutting down a computer running Windows XP Professional Starting a computer running Windows XP Professional Changing user accounts and groups

After you have determined the types of events to audit, you must also determine whether to audit the success of events, the failure of events, or both. Tracking successful events can tell you how often Windows XP Professional or users access specific files, printers, or other objects, and you can use this information for resource planning. Tracking failed events can alert you to possible security breaches. For example, if you notice several failed logon attempts by a certain user account, especially if they are occurring outside normal business hours, you might conclude that an unauthorized person is attempting to break into your system. Other guidelines in determining your audit policy include the following:

Configuration cfg = new Configuration().configure(); new SchemaValidator(cfg).validate();

16-38

16

An exception is thrown if a mismatch between the mappings and the database schema is detected. Because you re basing your build system on Ant, you ll ideally add a schemaexport target to your Ant build that generates and exports a fresh schema for your database whenever you need one (see listing 2.9).