Trivial File Transport Protocol - TFTP

TFTP is a file transport protocol and its name suggests it's something close to the FTP protocol (File Transfer Protocol)

TFTP isn't very popular because it's not really used on the Internet because of its limitations which we'll explore next.

The Protocol 

TFTP's main difference from FTP is the transport protocol it uses and the lack of any authentication mechanism. Where FTP uses the robust TCP protocol to establish connections and complete the file transfers, TFTP uses the UDP protocol which is unsecure and has no error checking built in to it (unless they have implemented some type of error checking in the program you are using to transfer files), this also explains why you are more likely to find TFTP in a LAN, rather than a WAN (Wide Area Network) or on the Internet.

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