SSH2 included new features and better security over SSH1 like Diffie-Helman key exchange for encryption and stronger integrity checking. Later, in 2006, the IETF adopted SSH2 as a standard. So, in 1995, Tatu TLonen created SSH-1, a remote encrypted communication method, after his university suffered a password-sniffing attack. Obviously, this isn't the most secure means of communication. Both protocols sent information in plain text including passwords. Both Telnet and Rlogin were widely used before the mid-'90s (when SSH-1 was first created), but both suffered a severe flaw. SSH is a replacement remote connection tool for Telnet and Rlogin. Windows 10 natively supports SSH now, too. It's most used with administering Unix-like systems. They are only mentioned as methods to use the protocols discussed below. Though clients will be mentioned, they will not be discussed in detail. We are going to be discussing protocols themselves. Protocols vs Clients: A Disclaimerīefore we dive into the rest of this article, let's define something. So, let's discuss various Linux remote desktop protocols, what the difference is between them, and which one works best for different use cases. Linux systems, however, can be more complicated to manage remotely – especially if you need a GUI interface. Windows has RDP (remote desktop protocol) built-in. Windows systems are easy to remotely manage. That’s why remote desktop protocols are essential to learn and master. So, they need a way to perform administrative tasks on these systems remotely. Even if they were, most people can't fit that many keyboards, mice, and monitors in their cubicle. Servers are rarely sitting next to an IT admins desk. Remote systems administration is a requirement for any IT administrator.
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