Transfer Files Securely with SFTP

“File Transfer Protocol (FTP) was once the most widely used
protocol for transferring files between computers. However, because
FTP sends authentication information and file contents over the
wire unencrypted, it’s not a secure way to communicate. Secure Copy
(SCP) and the more robust SSH File Transfer Protocol (SFTP) address
this security concern by providing data transfer over a fully
encrypted channel. You can use these alternatives for transferring
files securely over the Internet or any other untrusted

“Both SCP and SFTP rely on Secure Shell (SSH) as their
underlying protocol. SSH establishes a secure and encrypted channel
of communication between computers using authentication and
encryption based on Public Key Infrastructure. SSH uses encryption
for the authentication data exchanged to set up the session and the
subsequent data transfer…”


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