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SecurityYou 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
Network data encryptionUse network encryption to encrypt data transmitted between server and client, and between server and other server.
Communication support modules for data transmission encryptionYou can use the communication support modules (CSMs) to encrypt data transmissions, including distributed queries, over the network.
Network data encryption syntaxYou must specify network encryption libraries and options in the concsm.cfg file.
Invoking an encryption parameters file in concsm.cfgYou can configure encryption options by setting encryption parameters in a file and then invoking it in the concsm.cfg file.
ENCCSM_MAC parameterThe ENCCSM_MAC parameter specifies the MAC level to use.

ENCCSM_MAC parameter

The ENCCSM_MAC parameter specifies the MAC level to use.

default value

medium

range of values

One or more of the following options, separated by commas:

off does not use MAC generation.
low uses XOR folding on all messages.
medium uses SHA1 MAC generation for all messages greater than 20 bytes long and XOR folding on smaller messages.
high uses SHA1 MAC generation on all messages.

For example: ENCCSM_MAC medium,high

For more information about MAC levels, see MAC levels.

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