You can configure a host on WS_FTP Server to require user passwords to meet minimum security standards.
To configure minimum standards for user passwords:
From the top menu, select Host > Host Details. The Host Details page opens.
Set the appropriate options.
Number of passwords to track for each user. Enter the number of expired passwords to remember. If users are forced to change their passwords, they will not be allowed to use any of their former passwords that are remembered.
Number of special characters required. Enter the number of non-alphanumeric characters that users are required to have in their passwords.
Number of numeric characters required. Enter the number of numeric characters that users are required to have in their passwords.
Minimum number of characters required (4 by default). Enter the minimum number of characters that users are required to have in their passwords.
Encrypt passwords stored on server (selected by default). Select this option to encrypt all user passwords stored on the server. If you are using an external database for user authentication that is accessed by other applications, you may need to clear this option.
Caution: Encrypted passwords stored on server cannot be changed after a host is created.