![]() SCP is a very simple file copy from one machine to another using the SSH protocol. SCP Secure Copy: This is not an FTP protocol, but it is widely used to securely transfer files, so it bears mentioning here. To make matters even more confusing, the original intention of the abbreviation SFTP was Simple File Transfer Protocol defined by RFC 913, but has been relegated to “Historic” status and no longer used. ![]() Login information and files are transferred encrypted via SSH. Rather, it is an SSH server that understands FTP commands. SFTP Secure File Transfer Protocol: This is also secure FTP, but in this case the S represents Secure SHell (SSH). This is essentially a basic FTP server that knows how to negotiate an encrypted TLS tunnel to transfer data through. Login information, as well as the file itself, are sent “in the clear” in plain text that an observer can see.įTPS File Transfer Protocol Secure (also known as FTPES): This is secure FTP, where the S in this case represents Transport Layer Security (TLS) encryption. These terms all vary by one letter, but that letter is important.įTP File Transfer Protocol: The original protocol and its major limitation is that it sends logins and data unencrypted. Here’s our top list of the 10 best SFTP servers out there. But, to use it, you’ll have to set up an SFTP server. ![]() FTP, with added security such as that offered in SFTP and FTPS, is still one of the best tools for transferring files. The modern internet has a number of tools to transfer files such as email attachments and various transfer websites, but those methods have their limitations. The File Transfer Protocol (FTP) is one of the original internet protocols used for the transfer of large files.
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