Mine

anonymous_enable=NO
local_enable=YES
write_enable=YES
local_umask=022
dirmessage_enable=YES
xferlog_enable=YES
connect_from_port_20=YES
xferlog_file=/var/log/vsftpd.log
xferlog_std_format=YES
nopriv_user=ftpprocown
ftpd_banner=Welcome to my FTP service.
chroot_local_user=YES
local_root=/srv/ftproot
listen=YES
pasv_min_port=2001
pasv_max_port=2003
#pasv_address=85.xxx.12.xx
pam_service_name=vsftpd
userlist_enable=YES
tcp_wrappers=YES