The password must be composed of single-byte characters and be at least eight characters long with a maximum of 64 characters. It must include at least three of the four character types, i.e. uppercase letters, lowercase letters, numbers, and symbols. The symbol can be selected from !"#$%&'()*+,-./:;<=>?@[]^_`{|}~ . The backward slash and the space cannot be used as symbols. The password may not include your firstname/lastname or a character string that is easy to guess (such as "password" or "12345").