Service Principal Name
Attribute
ServicePrincipalName (SPN)
Purpose
The service principal name to be used by driver for Kerberos authentication.
Valid Values
ServicePrincipalName
where:
ServicePrincipalName
is the three-part service principal name registered with the key distribution center (KDC).
You must specify the service principal name using the following format:
Service_Name/Fully_Qualified_Domain_Name@REALM.COM
where:
Service_Name
is the name of the service hosting the instance. For example, impala.
The server automatically generates the service name. Refer to Cloudera Impala documentation for additional information.
Fully_Qualified_Domain_Name
is the fully qualified domain name of the host machine. For example, yourserver.example.com.
REALM.COM
is the domain name of the host machine. This part of the value must be specified in upper-case characters. For example, EXAMPLE.COM.
Example
The following is an example of a valid service principal name:
impala/yourserver.example.com@EXAMPLE.COM
Notes

If unspecified, the value of the Network Address option is used as the service principal name.

If Authentication Method is set to 0 or -1, the value of the Service Principal Name option is ignored.
Default
None
GUI Tab