1. 설치 STEP

 1. install : sudo apt-get install vsftpd
 2. EC2 inbound : 1024 ~ 1048 , 21 , 20
 3. config : vi /etc/vsftpd/vsftpd.conf 
 4. User Ban List : /etc/vsftpd/user_list
 5. Start : sudo service vsftpd start

2. vsfpd.conf 변경

#vsftpd.conf
anonymous enable = NO
pasv_enable=YES
pasv_min_port=1024
pasv_max_port=1048
pasv_address=public ip (not dns) 
#chroot_local_user=YES