[root@jimmy ~]# cat /etc/krb5.conf
[libdefaults]
                ticket_lifetime = 600
                default_realm = TESTAD.BIO.AC.UK
                allow_weak_crypto = true
                dns_lookup_realm = true
                dns_lookup_kdc = true
                forward  = true
                forwardable = true
                clockskew  = 300
                noaddresses = true

[realms]
                TESTAD.BIO.AC.UK = {
                                           kdc = TESTSERVER1.TESTAD.BIO.AC.UK
                                           default_domain = TESTAD.BIO.AC.UK
                                          }
[domain_realm]
                .testad.bio.ac.uk = TESTAD.BIO.AC.UK
                testad.bio.ac.uk = TESTAD.BIO.AC.UK
[kdc]
                profile = /etc/krb5kdc/kdc.conf
[logging]
                kdc = FILE:/var/log/krb5kdc.log
                admin_server = FILE:/var/log/kadmin.log
                default = FILE:/var/log/krb5lib.logog