Setup SFTP to Public Directory (/var/www)

Configuring SSH for SFTP

1. vim /etc/ssh/sshd_config

2. Comment the following line:

   1. Subsystem sftp /usr/local/libexec/sftp-server

3. Add the following lines:

   1. Subsystem sftp internal-sftp
   2. Match Group <sftp group>
   3. ChrootDirectory %h
   4. ForceCommand internal-sftp
   5. X11Forwarding no 
   6. AllowTcpForwarding no

4. Save and close

5. Reload ssh sudo systemctl restart sshd

Add SFTP User and Set Permission

1. sudo groupadd <user> -g <sftp group> -s /bin/false -d /var/www/html
2. sudo passwd <user>
3. sudo chown root /var/www/html
4. sudo chmod 755 /var/www/html
5. sudo mkdir /var/www/html/<dir>
6. sudo chmod 775 /var/www/html/<dir>
7. sudo chown apache:apache /var/www/html/<dir>
8. sudo chmod g+s /var/www/html/<dir>

Selinux

1. sudo setsebool -P ssh_chroot_rw_homedirs on
2. sudo setsebool -P httpd_unified 1
3. sudo setfacl -d -m g:apache:rw /var/www/html/<dir>

References

1. Spiceworks Article
2. CentOS Docs