Ups! Sorry, I forgot paste the link. I have used this: wget http://www.fuschlberger.net/programs/ssh-scp-sftp-chroot-jail/make_chroot_jail.sh
# uname -a Linux cd84245 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1+deb7u1 x86_64 GNU/Linux Maybe I should to implment chroot jail technique with another methods ... Thanks. Regards, Antonio.