The SSH protocol uses encryption to secure the connection between a client and a server. All user authentication, commands, output, and file transfers are encrypted to protect against attacks in the network.

SFTP (SSH File Transfer Protocol) is a secure file transfer protocol. It runs over the SSH protocol. It supports the full security and authentication functionality of SSH.

An SSH client uses the SSH protocol to connect to a remote computer:

• MobaXterm
• Bitvise SSH Client

An SFTP client uses the SFTP protocol to transfer files securely to or from a remote computer:

• FileZilla
• WinSCP