[libdefaults]
    default_tgs_enctypes = RC4-HMAC DES-CBC-MD5 DES-CBC-CRC
    default_tkt_enctypes = RC4-HMAC DES-CBC-MD5 DES-CBC-CRC
    preferred_enctypes = RC4-HMAC DES-CBC-MD5 DES-CBC-CRC
    dns_lookup_kdc = true