课程: Linux System Engineer: Networking and SSH

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SSH overview

SSH overview

课程: Linux System Engineer: Networking and SSH

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SSH overview

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- [Instructor] Secure Shell is possibly the most valuable tool in a Linux system administrator's toolbox. Let's discuss why by going over some of its features. Number one, it protects against man-in-the-middle attacks. After an initial connection, the client can verify that it is connecting to the same server it connected to previously. Number two, authentication information is transmitted to the server using 128-bit encryption. Number three, all data that is sent or received is transferred using 128-bit encryption as well. Four, on Unix or Linux-based systems using X Windows, SSH can use X11 forwarding to forward applications from the server back to the client desktop. Five, SSH can forward data sent to any open network port. This data is then encrypted, allowing SSH to secure naturally insecure protocols. Number six, SSH can create general-purpose encrypted tunnels. This is especially useful on Linux where we can redirect Standard Out of any command into the tunnel to be transported…

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