vsftpd是为数不多的免费的linux版本FTP服务器，想蹭开源免费，就得想方设法解决它的问题。如题所示，我折腾了一下午，终于完美解决了。解决办法是修改用户的配置文件，如下代码所示：

local_root=/home/ftp/subordinate/user01

write_enable=YES

anon_umask=022

# cmds_denied=PASV,PORT,TYPE

# anon_world_readable_only=NO

# anon_upload_enable=YES

# anon_mkdir_write_enable=YES

# anon_other_write_enable=YES

guest_username=ftp

# nopriv_user=ftp

# pam_service_name=vsftpd

# guest_enable=YES

virtual_use_local_privs=YES

allow_writeable_chroot=YES

chroot_local_user=YES

chroot_list_enable=YES

chroot_list_file=/etc/vsftpd/chroot_list

# cmds_allowed=PWD,LIST,PORT,TYPE,DELE,CWD

cmds_denied=

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附加说明，vsftpd.conf的配置节确保如下：

anonymous_enable=NO

local_enable=YES

write_enable=YES

dirmessage_enable=NO

ascii_upload_enable=YES

ascii_download_enable=YES

chroot_local_user=YES

chroot_list_enable=YES

chroot_list_file=/etc/vsftpd/chroot_list

listen=YES

listen_ipv6=NO

pam_service_name=vsftpd

guest_enable=YES

guest_username=ftp

user_config_dir=/etc/vsftpd/vuser_conf

userlist_enable=NO

tcp_wrappers=YES

# seccomp_sandbox=NO

pasv_enable=YES

pasv_min_port=9001

pasv_max_port=9001

port_enable=YES

# virtual_use_local_privs=YES

# pam_service_name=vsftpd.virtual

# user_sub_token=ftp