NextGenTips published a tutorial about installing SFTP server on Ubuntu 22.04.
How to install and setup SFTP server on Ubuntu 22.04
SFTP (Secure File Transfer Protocol) is a file transfer protocol that provides secure access to a remote computer. Think of it as a tunnel provider, whenever you want to connect remotely, you use SFTP protocol to ensure your connection is secure from eavesdropping, we use Secure Shell (SSH) for that.
How to install and setup SFTP server on Ubuntu 22.04 – NextGenTips