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3.4 kdc.conf

The kdc.conf file contains KDC configuration information, including defaults used when issuing Kerberos tickets. Normally, you should install your kdc.conf file in the directory /usr/local/var/krb5kdc. You can override the default location by setting the environment variable KRB5_KDC_PROFILE.

The kdc.conf file is set up in the same format as the krb5.conf file. (See krb5.conf.) The kdc.conf file may contain any or all of the following three sections:

Contains default values for overall behavior of the KDC.
Contains subsections keyed by Kerberos realm names. Each subsection describes realm-specific information, including where to find the Kerberos servers for that realm.
Contains relations which determine how Kerberos programs are to perform logging.