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Security
You can secure your Informix® database server and the data that is stored in your Informix databases. You can encrypt data, secure connections, control user privileges and access, and audit data security.
Security in HCL Informix®
The Informix® Security Guide documents methods for keeping your data secure by preventing unauthorized viewing and altering of data or database objects, including how to use the secure-auditing facility of the database server.
Auditing data security
Overview of auditing with the Informix® secure auditing facility
Audit configuration
Windows™ Message Server

Security
You can secure your Informix® database server and the data that is stored in your Informix databases. You can encrypt data, secure connections, control user privileges and access, and audit data security.
- Security in HCL Informix®
  The Informix® Security Guide documents methods for keeping your data secure by preventing unauthorized viewing and altering of data or database objects, including how to use the secure-auditing facility of the database server.
  - Securing data
  - Auditing data security
    - Overview of auditing with the Informix® secure auditing facility
    - Audit administration
    - Audit analysis
    - The onaudit utility
      Use the onaudit utility to manage audit masks and auditing configuration.
    - The onshowaudit utility
      Use the onshowaudit utility to view the audit information from an existing audit trail. You can use this command to extract information for a particular user, database server, or both, making it possible to isolate a particular subset of data from a potentially large audit trail.
    - Audit event codes and fields
      The secure-auditing facility audits certain database server events.
    - The ADTCFG file

Windows™ Message Server

Informix® for Windows™ runs as a service under the informix user account.

The Informix® Message Server service communicates with the database server through the named pipes interprocess communications mechanism to receive information and to write it to the Windows™ Application Event log and log file %INFORMIXDIR%\%INFORMIXSERVER%.log.

The database server starts Message Server when an instance of the database server first must write a message to the event log. Message Server does not terminate automatically when an instance of the database server terminates.