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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_CIPHERS parameterThe ENCCSM_CIPHERS parameter specifies the ciphers and modes to use during encryption.

ENCCSM_CIPHERS parameter

The ENCCSM_CIPHERS parameter specifies the ciphers and modes to use during encryption.

syntax ENCCSM_CIPHERS

all|allbut:<list of ciphers and 
modes>|cipher:mode{,cipher:mode ...}

all: Specifies to include all available ciphers and modes, except ECB mode. For example:
```
ENCCSM_CIPHERS all
```
allbut:<list of ciphers and modes>: Specifies to include all ciphers and modes except the ones in the list. Separate ciphers or modes with a comma. For example:
```
ENCCSM_CIPHERS allbut:<cbc,bf>
```
cipher:mode: Specifies the ciphers and modes. Separate cipher-mode pairs with a comma. For example:
```
ENCCSM_CIPHERS des3:cbc,des3:ofb
```
default value: allbut:<ecb>

For more information about ciphers and modes, see Encryption ciphers and modes.

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