anonymous_enable=YES
local_enable=YES
write_enable=YES
anon_upload_enable=YES
anon_mkdir_write_enable=YES
dirmessage_enable=YES
use_localtime=YES
xferlog_enable=YES
connect_from_port_20=YES
chown_uploads=YES
chown_username=ftp
ftpd_banner=Welcome to blah FTP service.
chroot_local_user=YES
listen=YES
pam_service_name=vsftpd
userlist_enable=YES
tcp_wrappers=YES

[Expert@gw-a:0]# ftp 10.15.254.137
Connected to 10.15.254.137 (10.15.254.137).
220 Welcome to blah FTP service.
Name (10.15.254.137:admin): ftp
331 Please specify the password.
Password:
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls
227 Entering Passive Mode (10,15,254,137,115,165).
150 Here comes the directory listing.
226 Directory send OK.
ftp> get 1.txt
local: 1.txt remote: 1.txt
227 Entering Passive Mode (10,15,254,137,196,156).
550 Failed to open file.
ftp> put 1.txt
local: 1.txt remote: 1.txt
227 Entering Passive Mode (10,15,254,137,43,130).
553 Could not create file.

[root@HOst home]# ls -lh /home
total 12K
dr-xr-xr-x. 3 ftp    ftp    4.0K Mar 29 16:56 ftp
drwx------. 2 sk     sk     4.0K May 26  2016 sk
drwx------. 2 telnet telnet 4.0K Aug  3  2016 telnet

500 OOPS: vsftpd: refusing to run with writable anonymous root