can do


also it is possible to sshfs-mount folders of any ssh-server (a bit slow though).

sharing resources yes – but allowing anyone to access all files – and be it only in read mode – of your operating system – sounds adventurous.

so you might want people to be able to securely up nad download files via sftp (is basically ssh) to their home directories – but not “escape” from there and list /home or / or even access other people’s home directories.

this can be done by

1. limiting ssh for certain users to sftp only

2. make user chroot into their home

# you might want to open up a second connection and monitor what is going on in the log files:
tail -f /var/log/auth.log

vim /etc/ssh/sshd_config; # open up main sshd service config file

# add those lines at the very end of the file
Match User user
    ChrootDirectory /home/user
    AllowTCPForwarding no
    X11Forwarding no
    ForceCommand internal-sftp
ESC :wq # save changes and quit

service ssh restart; # restart ssh service so changes take effect

# get permissions set correctly
# so user can not go outside home dir
# otherwise chroot complains fatal: bad ownership or modes for chroot directory "/home/user"
chown root:root /home/user/
chmod 755 /home/user/
chown user:user /home/user/*
chmod 775 -R /home/user/*

# would create a new dir that the user can upload files to
mkdir /home/user/upload
chown -R user:user /home/user/upload

now your users should be able to connecto to your server and sftp-up and download stuff. but not be able to leave their home-directories e.g. with the very very exellent – best ssh client on the planet: mobaXterm – rock on! 🙂



GNU Linux (Debian) -> setup SFTP (FTP over SSH) – Limiting Access with SFTP Jails on Debian and Ubuntu

Could not update ICEauthority file /home/user/.ICEauthority

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