From the course: Networking Foundations: Protocols and CLI Tools

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Secure network communication via SSH

Secure network communication via SSH

- [Instructor] Secure Shell is a protocol to allow encrypted remote console access over a network. This is most closely associated with connecting to a Linux server, router or switch for configuration. It uses TCP port 22 for reliable delivery of packets. Though, it is most closely associated with Linux servers, Microsoft announced in 2015 that moving forward, Windows Server will have native support for SSH. It was originally designed to be a secure replacement for plain text methods like Telnet. SSH uses public key cryptography via certificates to verify remote computers, and public or private certificate can be generated and installed, or as is most often the case, the server will just generate its own certificate. Authentication of usernames is often done via accounts on the server being logged into or via a centralized authentication system for better control. Beyond remote access, SSH has some additional features. It…

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