Here we're creating the system user to authenticate an FTP client while restricting SSH access which means it's only going to be valid for use through the FTP protocol, just make sure to specify a password that you can remember. Create FTP System User sudo useradd sftp -d /var/www sudo passwd sftp sudo adduser sftp www-data sudo echo "DenyUsers sftp" > /etc/ssh/sshd_config sudo systemctl reload sshd You will only need this if your are going to use the firewall on your Ubuntu instance, otherwise you can completely skip this step. Then, you can confirm firewall status to observe whether firewall is truly enabled with the ports forwarded. Configure UFW Firewall sudo ufw allow 20,21,22,990,40000:50000/tcp sudo ufw enable That's like the magic touch for this particular tutorial, which is setting a proper directory permissions for our websites document root. Setting Permissions sudo chgrp -R www-data /var/www/* sudo find /var/www -type f -exec chmod 664 \ sudo chown root:root /var/www You should now see that VSFTPD service is actually active and running without any issues. Install Software Package sudo apt update sudo apt install vsftpd sudo service vsftpd status Now, lets prepare this operating system environment with the software required for an FTP server running VSFTPD.
Get remote access to your instance with superuser credentials provided to you. The end result is going to be one system user that you can use to authenticate an FTP client like FileZilla to any website root directory you have on /var/www which is the path used for web services specifically on Ubuntu itself.
In this article, I am going through all the steps necessary for anyone to install an FTP service using VSFTPD on an instance with TLS/SSL and properly integrate it with the main web server directory for either Apache or Nginx, the way it should be done.
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