Kerberos support

Client-Library supports Kerberos security features for applications that require a high level of security when communicating over a network. By installing the required Kerberos software, and performing the appropriate configuration tasks, your Client-Library applications can take advantage of the following Kerberos security features:

Network authentication
Mutual authentication
Out-of-sequence authentication
Replay detection
Confidentiality
Integrity
Credential delegation

**Table 1-3: Required tasks for Kerberos support**
Tasks	For more information
Install the Kerberos software on your system.	See your Kerberos documentation and the Open Client and Open Server Configuration Guide for UNIX.
Configure the security section of the libtcl.cfg configuration file.	See the Open Client and Open Server Configuration Guide for UNIX.
Log in to the Kerberos security environment with the Kerberos kinit utility, before running your Client-Library application.	See your Kerberos documentation.
Set the environment variable to the credential cache directory location.: For CyberSafe, CSFC5CCNAME For MIT, KRB5CCNAME	See your Kerberos documentation. Default credential cache directory location varies by platform.
Set the desired security features using ct_con_props or use the default credentials by not setting ct_con_props	See the Open Client Client-Library/C Reference Manual. Use CS_SUPPORTED action type in ct_con_props and ct_config to determine if a security feature is supported.