SSH Behind the Scene
What happens when you ssh to a remote machine? This blog will not analyze from a cryptographic way but from an engineering way. We will touch on different components of Linux and how they interact. This blog is a brief introduction. We sacrifice precision for the sake of clarity without compromising the core message. The version of the ssh in the following text is OpenSSH_8.2p1 Ubuntu-4ubuntu0.11, OpenSSL 1.1.1f 31 Mar 2020 A different build may have different behaviors. ...