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Cre-eer een group, sftponly en zet kris hierin.
Verander daarna sftp declaratie (zie onderaan sshd_config file)
 
/etc/ssh/sshd_config:

# Package generated configuration file
# See the sshd_config(5) manpage for details
 
# What ports, IPs and protocols we listen for
Port 22
Port 22222
# Use these options to restrict which interfaces/protocols sshd will bind to
#ListenAddress ::
ListenAddress 10.104.199.130:22222
ListenAddress 127.0.0.1:22
Protocol 2
# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
HostKey /etc/ssh/ssh_host_ecdsa_key
HostKey /etc/ssh/ssh_host_ed25519_key
#Privilege Separation is turned on for security
UsePrivilegeSeparation yes
 
# Lifetime and size of ephemeral version 1 server key
KeyRegenerationInterval 3600
ServerKeyBits 1024
 
# Logging
SyslogFacility AUTH
LogLevel INFO
 
# Authentication:
LoginGraceTime 120
PermitRootLogin prohibit-password
StrictModes yes
 
RSAAuthentication yes
PubkeyAuthentication yes
#AuthorizedKeysFile %h/.ssh/authorized_keys
 
# Don't read the user's ~/.rhosts and ~/.shosts files
IgnoreRhosts yes
# For this to work you will also need host keys in /etc/ssh_known_hosts
RhostsRSAAuthentication no
# similar for protocol version 2
HostbasedAuthentication no
# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
#IgnoreUserKnownHosts yes
 
# To enable empty passwords, change to yes (NOT RECOMMENDED)
PermitEmptyPasswords no
 
# Change to yes to enable challenge-response passwords (beware issues with
# some PAM modules and threads)
ChallengeResponseAuthentication no
 
# Change to no to disable tunnelled clear text passwords
#PasswordAuthentication yes
 
# Kerberos options
#KerberosAuthentication no
#KerberosGetAFSToken no
#KerberosOrLocalPasswd yes
#KerberosTicketCleanup yes
 
# GSSAPI options
#GSSAPIAuthentication no
#GSSAPICleanupCredentials yes
 
X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
#UseLogin no
 
#MaxStartups 10:30:60
#Banner /etc/issue.net
 
# Allow client to pass locale environment variables
AcceptEnv LANG LC_*
 
## declaratie toegevoegd tbhv sftp voor kris
Subsystem sftp internal-sftp
 
##Declaraties toegevoegd tbhv sftp voor kris
Match group sftponly
     ChrootDirectory /home/%u
     X11Forwarding no
     AllowTcpForwarding no
     ForceCommand internal-sftp
     PasswordAuthentication no
 
# Set this to 'yes' to enable PAM authentication, account processing,
# and session processing. If this is enabled, PAM authentication will
# be allowed through the ChallengeResponseAuthentication and
# PasswordAuthentication.  Depending on your PAM configuration,
# PAM authentication via ChallengeResponseAuthentication may bypass
# the setting of "PermitRootLogin without-password".
# If you just want the PAM account and session checks to run without
# PAM authentication, then enable this but set PasswordAuthentication
# and ChallengeResponseAuthentication to 'no'.