SilverSHielD 2.0.4.40 is a FTP Server product from k2sxs.com, get 5 Stars SoftSea Rating, SilverSHielD a tiny SSH and SFTP server for Windows. It isn't loaded with tons of (often useless) features, but it's designed to be quick, robust and reliable. And its modern and easy to use Management Console allows the system administrator to manage multiple SilverSHielD instances from a centralized location.
SilverSHielD is an easy-to-use SSH(2) and SFTP server that supports three different authentication types: password, public key and keyboard interactive authentication. Additional security features include forced delays for new connections and automatic IP address blocking for multiple, unsuccessful login attempts. The SilverSHielD console can be accessed from the local computer or remotely via a secure connection. The free version is limited to one concurrent connection, you can create multiple user accounts, but they cannot be connected at the same time. Useful to securely access your local files from a remote computer.
Authentication
* Keyboard-interactive
* Password-based
* Public-Key
Additional security settings
* Ability to set the maximum number of concurrent connections (Pro edition only)
* Ability to force a delay upon new connection, for anti-hammering
* Put the client IP in tarpit after a definable number of failed authentication attempts
Functions and subsystems
* Secure Shell/Command (SSH2)
* SFTP (Secure File Transfer)
* Forwarding
Administration
* Administration is performed though a modern Management Console, included in the download package, which establishes a secure channel with the SilverSHielD server and allows remote configuration of one or many servers
Unlike many other competing products, SilverSHielD isn't loaded with tons of (often useless) features; instead it's focused on simplicity and ease of use, and of course on security and reliability.
If you need secure shell of secure ftp file transfer, SilverSHielD is the solution you're looking for. And best of all, it's free! And if you need to have more than one SSH/SFTP client concurrently connected, you can always upgrade to the Pro edition which has exactly the same features but manages many concurrent connections. The license of this networking software is Freeware, you can free download and free use this Networking software.