SFTP only + Chroot2014/08/02

	Configure SFTP only + Chroot. Some users who are applied this settings can access only with SFTP and access to the permitted directories.
[1]	For example, Set /home as the Chroot directory.

# create a group for SFTP

[root@dlp ~]#

groupadd sftp_users

# apply to a user "cent" for SFTP only

[root@dlp ~]#

usermod -G sftp_users cent

[root@dlp ~]#

vi /etc/ssh/sshd_config

# line 132: comment out and add a line like below

Subsystem sftp /usr/libexec/openssh/sftp-server

Subsystem sftp internal-sftp

# add follows to the end

Match Group sftp_users
X11Forwarding no
AllowTcpForwarding no
ChrootDirectory /home
ForceCommand internal-sftp

[root@dlp ~]#

/etc/rc.d/init.d/sshd restart

[2]	Try to access with a user and make sure the settings.

[root@rx-7 ~]#

ssh cent@10.0.0.30

cent@10.0.0.30's password:
This service allows sftp connections only.
Connection to 10.0.0.30 closed.

# denied normally

[root@rx-7 ~]#

sftp cent@10.0.0.30

Connecting to 10.0.0.30...
cent@10.0.0.30's password:
sftp>

ls -l

drwx------    3 1000     1000         4096 Jul  9 12:06 cent
drwx------    2 1001     1001           59 Jul  8 22:06 hirokun

sftp>

pwd

Remote working directory: /
sftp>

exit

Matched Content