What is the difference between FTP, FTPS and SFTP protocols?

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What is the difference between FTP, FTPS and SFTP protocols and what contexts should I use each one?

ftp sftp

  • I was going to, but I think it’s out of scope. Let’s see what the rest of the community thinks.

  • FTP and FTPS are "equal", the difference that the latter uses encrypted traffic (under SSL). The difference between FTPS and SFTP is the largest. Both in these cases are encrypted, the difference is that the FTPS requires two connections already the SFTP only one, another detail is that the FTPS uses X.509 certificates (since it uses SSL) and the SFTP, as the name suggests uses SSH.

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briefly:

FTP: is the File Transfer Protocol without any kind of encryption, ie it is an unsafe mode.

SFTP: SSH File Transfer Protocol, that is to say encrypted, this is a safer way in relation to FTP.

FTPS: FTPS is an FTP with an SSL layer for security. "Secure File Transfer Protocol"

in view of the differences of the 3, use whatever is most suitable for your file, if it is a sensitive file that should not be intercepted, use the SFTP now if beyond encryption, you want to make sure that this communicating with the real server, use the FTPS because it has SSL. If it is neither of the above two cases, the ftp normal will already be enough for you.

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