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TFTP (Trivial File Transfer Protocol)

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TFTP is an Internet file transfer protocol similar to FTP (File Transfer Protocol), but it is scaled back in functionality so that it requires fewer resources to run. TFTP uses the UDP (User Datagram Protocol) rather than TCP (Transmission Control Protocol), which allows TFTP to be used when the reliability features of TCP are not required and may add excessive overhead. TFTP also differs from FTP in that it only supports file transfers and does not have the user interface features that FTP has. The command set is minimized so the users cannot get directory listings. There is also no login procedure. TFTP is defined in RFC 1350 (The TFTP Protocol, July 1992).

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