[libdefaults] default_realm = YOURDOMAIN.COM clockskew = 300 [realms] YOURDOMAIN.COM = { kdc = yourdc.yourdomain.com default_domain = yourdomain.com admin_server = yourdc.yourdomain.com } EXAMPLE.COM = { kdc = kerberos.example.com admin_server = kerberos.example.com } [logging] kdc = FILE:/var/log/krb5/krb5kdc.log admin_server = FILE:/var/log/krb5/kadmind.log default = SYSLOG:NOTICE:DAEMON [domain_realm] .yourdomain.com = YOURDOMAIN.COM [appdefaults] pam = { ticket_lifetime = 1d renew_lifetime = 1d forwardable = true proxiable = false retain_after_close = false minimum_uid = 1 try_first_pass = true }