16.10 - LdapClientTlsCRLCheck - Teradata Database

Teradata Database Security Administration

Teradata Database
Release Number
Release Date
June 2017
Content Type
Publication ID
English (United States)

The LdapClientTlsCRLCheck property specifies how the authentication mechanism should use the Certificate Revocation List (CRL) of the CA to verify that the server certificates are not revoked. LDAP performs the checking authorized by this property on every bind.

Default Property Value

The default value of the LdapClientTlsCRLCheck property is none, meaning that the system performs no CRL checks.

Valid Settings

Setting Description
none Specified that LDAP performs no CRL checks
peer Specifies that LDAP checks the CRL of the server certificate
all Specifies that LDAP checks the CRLs of the entire certificate chain

Supporting Mechanisms for LdapClientTlsCRLCheck

Mechanisms that are not listed in the table do not support this property. The Property Editable column indicates if the setting for a property may be edited.
Mechanism Property Editable?
KRB5 May Be Edited
To set a value, you must manually add this property to the TdgssUserConfigFile.xml for the needed mechanisms. See About Editing Configuration Files.

Editing Guidelines

  • You must edit this property if you want to check CRLs. However, CRL checking is optional, based on site security policy.
  • Edit the value of the LdapClientTlsCRLCheck property only on Teradata Database nodes.
  • If you decide to use TLS protection, edit this property for all mechanisms that have the AuthorizationSupported property set to yes.
  • Edit this property on database nodes and on the Unity. For more information, see Coordinating Mechanism Property Values for Unity.