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Practical Linux Topics by Chris Binnie

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CHAPTER 8

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No sFTP Doesn’t Mean No Encryption

Accessing Unix-like servers remotely is almost universally done these days by SSH (Secure Shell). SSH is so popular that the rare times that it isn’t used (and something like a Telnet client is used instead) must show up on graphs as the tiniest of the smallest fractions of a percent. Personally, I rarely use SCP (Secure Copy); instead I use sFTP (Secure File Transfer Protocol) for most of my manual file transfers. The clever sFTP functionality runs as a subsystem of SSH, which adds encryption to the old-school file transfer protocol (FTP) to keep login details and transactional information safer during ...

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