The allowed characters tab determines what characters are available for use within each character class. By default, certain characters such as "1", "i" and "l" are excluded from the possible characters as they may be difficult for users to differentiate.


   



Uppercase

The uppercase characters that may be used when generating a password.


Lowercase

The lowercase characters that may be used when generating a password.


Numeric

The numeric characters that may be used when generating a password.


Special

The special characters that may be used when generating a password.