Wednesday, October 14, 2015
SFTP with Chroot centos 6
Some users who are applied this settings can access only with SFTP and access to the permitted directories.
For example, Set /home as the Chroot directory.
# create a group for SFTP
[root@easylinux ~]# groupadd sftp_users
# apply to a user "clado" for SFTP only
[root@easylinux ~]# usermod -G sftp_users clado
[root@easylinux ~]# 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@easylinux ~]# /etc/rc.d/init.d/sshd restart
[2] Try to access with a user and make sure the settings.
[root@cladoserver ~]# ssh clado@10.0.0.30
clado@10.0.0.30's password:
This service allows sftp connections only.
Connection to 10.0.0.30 closed.# denied normally
[root@cladoserver ~]# sftp clado@10.0.0.30
Connecting to 10.0.0.30...
clado@10.0.0.30's password:
sftp> ls -l
drwx------ 3 1000 1000 4096 Jul 9 12:06 clado
drwx------ 2 1001 1001 59 Jul 8 22:06 hirokun
sftp> pwd
Remote working directory: /
sftp> exit
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