Xlight Secured FTP Server make file transfer secure and easier to use. It is a portable and powerful program with low memory and CPU usage. The server is designed for high performance and can handle thousands of simultaneous FTP connections.
This is a quick deployment and ready-to-run image.
Simple and rapid installation. Easy to maintain.
The guide how to connect to Xlight SFTP Server
Xlight SFTP is a paid server
Here are detailed prices and types of licenses: https://www.xlightftpd.com/purchase.htm
1. First you need to open TCP port 22 in the properties of the Azure Firewall network.
2. There is a shortcut Xlight SFTP Server on the VM’s desktop which starts automatically. The “c:\ftp” folder has been created on the VM. When you open the application, you will see the following window:
To add FTP server user you need to:
1. Click on the icon – 
2. In the opened window click “Add”
3. Enter login, password and home directory (for example c:\ftp)
To connect to ftp, it is recommended to use the “FileZilla Client” application (you can
download it from the link: https://filezilla-project.org/download.php?platform=win64). When launched, the application looks like this:
In the “Host” field enter: sftp://Xlight, where Xlight is the address of your machine in the personal account in Azure.
In the “Username” field enter the user’s login of the virtual machine.
In the “Password” type the user’s password of the virtual machine.
When the data is entered click on “Quickconnect”.
Then you will see the next window:
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