[root@centos7 ~]# cd /tmp ; grep -E -v '^(#|$)'  /etc/vsftpd/vsftpd.conf > vsftpd.conf[root@centos7 tmp]# cat vsftpd.conf 
anonymous_enable=YES
local_enable=YES
write_enable=YES
local_umask=022
dirmessage_enable=YES
xferlog_enable=YES
connect_from_port_20=YES
xferlog_std_format=YES
listen=NO
listen_ipv6=YES
pam_service_name=vsftpd
userlist_enable=YES
tcp_wrappers=YES