Problema con pure-ftpd

[yeikler]

Tengo debian e instale el pure-ftpd y no puedo hacer login con ningun usuario que creo no se que esta pasando si alguien me pudiese ayudar lo agradeceria,
este es uno de los usuarios
Login : adriana
Password : $1$MgKzKIi0$ofC2mjLDGF543Utvt3ysl1
UID : 1001 (ftpuser)
GID : 1001 (ftpgroup)
Directory : /home
Full name :
Download bandwidth : 0 Kb (unlimited)
Upload bandwidth : 0 Kb (unlimited)
Max files : 0 (unlimited)
Max size : 0 Mb (unlimited)
Ratio : 0:0 (unlimited:unlimited)
Allowed local IPs :
Denied local IPs :
Allowed client IPs :
Denied client IPs :
Time restrictions : 0000-0000 (unlimited)
Max sim sessions : 0 (unlimited)

y esto me sale cuando trato de hacer login con el
Connected to xxx.xxx.x.xxx.
220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 1 of 50 allowed.
220-Local time is now 17:03. Server port: 21.
220-This is a private system - No anonymous login
220 You will be disconnected after 15 minutes of inactivity.
Name (xxx.xxx.x.xxx:root): adriana
331 User adriana OK. Password required
Password:
530 Login authentication failed
Login failed.
Remote system type is UNIX.
Using binary mode to transfer files.

la verdad es que no tengo idea que esta pasando