9.3. Options for using host names with DNS host name canonicalization enabled
If you set dns_canonicalize_hostname = true in the /etc/krb5.conf file as explained in Enabling canonicalization of host names in service principals on clients, you have the following options when you use a host name in a service principal:
-
In Identity Management (IdM) environments, you can use the full host name in a service principal, such as
host/demo.example.com@EXAMPLE.COM. - In environments without IdM, but if the RHEL host as a member of an Active Directory (AD) domain, no further considerations are required, because AD domain controllers (DC) automatically create service principals for NetBIOS names of the machines enrolled into AD.