我正在运行 CentOS 6.7，并且正在尝试使用 vsftpd 成功建立 FTP 连接。请指出我正确的方向！
Status: Connection established, waiting for welcome message...
Response: 220 (vsFTPd 2.2.2)
Command: AUTH TLS
Response: 234 Proceed with negotiation.
Status: Initializing TLS...
Status: Verifying certificate...
Status: TLS connection established.
Command: USER testuser
Response: 530 Permission denied.
Error: Could not connect to server
我尝试检查/var/logs/messages，/var/logs/xferlog但日志是空的。我还检查了home本地用户的目录权限，并确保该用户列在用户列表中而不是在拒绝列表中
配置：
local_enable=YES
pasv_address=108.41.178.133
pasv_min_port=40000
pasv_max_port=40010
pasv_promiscuous=YES
pasv_enable=YES
write_enable=YES
local_umask=022
dirmessage_enable=YES
xferlog_enable=YES
xferlog_file=/var/log/xferlog
xferlog_std_format=YES
chroot_local_user=YES
chroot_list_enable=YES
chroot_list_file=/etc/vsftpd/chroot_list
listen=YES
pam_service_name=vsftpd
userlist_enable=YES
tcp_wrappers=YES
rsa_cert_file=/etc/ssl/private/vsftpd.pem
ssl_tlsv1=YES
ssl_sslv2=YES
ssl_sslv3=YES …