:: What is vsftpd
vsftpd is an FTP server for Unix-like systems, including Linux. It is licensed under the GNU General Public License. It supports IPv6 and SSL. – wikipeda
:: How to jail / chroot users on vsftpd
+ setup vsftpd.conf
vi /etc/vsftpd/vsftpd.conf ## add this line: chroot_local_user=YES
+ restarting vsftpd
/etc/init.d/vsftpd restart
