The impact SFTP server is a small, fast and efficient multi-threaded SFTP server designed to work with the least effort. It will be extremely easy to configure and maintain new configuration settings in the future. The Impact SFTP server does not use Windows or Linux users for authentication or directory security. It is designed for easy administration where the user list and passwords will be stored in the settings.txt file. It is up to yourorganization to protect that file. This offers the advantage of adding non domain users as SFTP users.