proftp登录出错

风中追风

proftp-1.2.8，配置文件内容为：
ServerName "roFTPD Default Installation"
ServerType standalone
DefaultServer on

Port 21

Umask 022


MaxInstances 30

User ftp
Group ftp


<Directory />
AllowOverwrite on
</Directory>


<Anonymous ~ftp>
User ftp
Group ftp
UserAlias anonymous ftp

MaxClients 10


DisplayLogin welcome.msg
DisplayFirstChdir .message

<Limit WRITE>
DenyAll
</Limit>

在用ftp慝名登录时，错误为：
530-Unable to set anonymous privileges.
530 Login incorrect.
Login failed.