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Overview of the difference between tftp, ftp, sftp, and scp.
(lemmy.geekforbes.com)
Image shows a grid of four columns and eight rows detailing the difference between four common types of file transfer: tftp, ftp, sftp, and scp; across eight data points: transfer protocol, standard port, speed overview, security overview, authentication support, encryption support, and connection orientation.
- TFTP : UDP, port 69, Fast, Less Secure, No Authentication, No Encryption, and Connection-less
- FTP: TCP, port 20, 21, Slow, Less Secure, Authentication, No Encryption, and Connection-oriented
- SFTP: TCP, Port 22, Slow, Secure, Authentication, Encryption, and Connection-oriented
- SCP: TCP, Port 22, Fast, Secure, Authentication, Encryption, and Connection-oriented
Src: Twitter via LinkedIn.
Tftp is only fast when latency is low. It send only one block at the time, and only on request.