ftp链接失败 FATAL ERROR: Received unexpected end-of-file from SFTP server ，pam_unix(sshd:account): expired password for user
该问题是因为ftp用户密码过期导致，修改密码并设置密码永不过期
passwd ftpuser
chage -E -1 -M 99999 ftpuser
systemctl start vsftpd 查看状态
systemctl start sshd 查看状态
systemctl restart vsftpd ftp服务重启
chage -l ftp 查看密码有效期
查看密码规则
cat etc/shadow