Sftp Upload Only

In short - simple upload folder.

$ sudo useradd -d /storarray/local/upload -m upload
$ sudo mkdir /storarray/local/upload/upload 
$ sudo chmod 370 /storarray/local/upload/upload
$ sudo chown root:root /storarray/local/upload
$ sudo grep upload.conf /etc/ssh/sshd_config
Include /etc/ssh/sshd_config.d/upload.conf
$

# /etc/ssh/sshd_config.d/upload.conf
Match User upload
    ChrootDirectory %h
    ForceCommand internal-sftp
    PasswordAuthentication yes
    PubkeyAuthentication yes
    PermitTunnel no
    AllowAgentForwarding no
    AllowTcpForwarding no
    X11Forwarding no