klogin 543/tcp # Kerberos authenticated rlogin
-kerberos 88/udp kdc # Kerberos authentication--udp
-kerberos 88/tcp kdc # Kerberos authentication--tcp
-kerberos-sec 750/udp # Kerberos authentication--udp
-kerberos-sec 750/tcp # Kerberos authentication--tcp
+kerberos5 88/udp kdc # Kerberos authentication--udp
+kerberos5 88/tcp kdc # Kerberos authentication--tcp
+kerberos4 750/udp # Kerberos authentication--udp
+kerberos4 750/tcp # Kerberos authentication--tcp
kerberos_master 751/udp # Kerberos authentication
kerberos_master 751/tcp # Kerberos authentication
kerberos-adm 749/tcp # Kerberos 5 admin/changepw