Linux configuration SFTP server

Add user group 

groupadd sftp

Add users and set to SFTP group 

sudo useradd -g sftp -s /sbin/nologin -M sftp

Modify the SFTP user’s password 

sudo passwd sftp

***********

Create the root directory of the SFTP user and set the owner and group, modify the permissions (755) 

cd /home
sudo mkdir sftp

sudo chown root:sftp sftp

sudo chmod 755 sftp

Create admin writable directory
in the directory of SFTP

cd sftp
sudo mkdir report

sudo chown admin:sftp report/

Modify the configuration file 

sudo vim /etc/ssh/sshd_config

Modify the

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

Add at the end of the sshd_config file

Match User sftp
        X11Forwarding no
        AllowTcpForwarding no
        ForceCommand internal-sftp
        ChrootDirectory /home/sftp

Restart the SSHD service 

sudo service sshd restart

ftp client:

address : 192.168.1.10

user: sftp

password: xxxxxxx

protocol type : SSH2

port: 22

server folder: /home/sftp

pls use CuteFTP Pro® 8.3.3 or last version.

because CuteFTP Pro® 8.3.2 or earlier has no AES128 and AES256 ciphers.

will raise throw “SFTP21 error = #4” .

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