Ssh for dummies

1. What is SSH in simple terms?
2. Is SSH over TCP or UDP?
3. What is SSH vs SSL?
4. Is PuTTY an SSH?
5. What is the difference between SSH and OpenSSH?
6. Why do we need SSH?
7. What port uses SSH?
8. What can I do with SSH?
9. What is the difference between SSH and RDP?
10. Why is SSH used?
11. What is SSH key and how it works?
12. What is SSH key used for?
13. What is difference between SSH and SSH?
14. What is the difference between SSH and VPN?
15. Why is SSH not secure?
16. What port uses SSH?
17. Why is it called SSH?

What is SSH in simple terms?

SSH or Secure Shell is a network communication protocol that enables two computers to communicate (c.f http or hypertext transfer protocol, which is the protocol used to transfer hypertext such as web pages) and share data.

Is SSH over TCP or UDP?

SSH uses TCP, not UDP (User Datagram Protocol). Unlike TCP, UDP is a connectionless protocol, which means it doesn't make sure the recipient is ready to receive files before sending them. As a result, data can arrive out of order, in pieces or not at all. Although SSH typically uses TCP, it doesn't have to.

What is SSH vs SSL?

The key difference between SSH vs SSL is that SSH is used for creating a secure tunnel to another computer from which you can issue commands, transfer data, etc. On the other end, SSL is used for securely transferring data between two parties – it does not let you issue commands as you can with SSH.

Is PuTTY an SSH?

PuTTY is a versatile terminal program for Windows. It is the world's most popular free SSH client. It supports SSH, telnet, and raw socket connections with good terminal emulation. It supports public key authentication and Kerberos single-sign-on.

What is the difference between SSH and OpenSSH?

SSH is based on a client-server architecture where the system the user is working on is the client and the remote system being managed is the server. OpenSSH includes a range of components and tools designed to provide a secure and straightforward approach to remote system administration.

Why do we need SSH?

The SSH protocol allows users to take control of their remote servers without security risks.

What port uses SSH?

SSH port 22

The port is used for Secure Shell (SSH) communication and allows remote administration access to the VM.

What can I do with SSH?

The ssh command provides a secure encrypted connection between two hosts over an insecure network. This connection can also be used for terminal access, file transfers, and for tunneling other applications. Graphical X11 applications can also be run securely over SSH from a remote location.

What is the difference between SSH and RDP?

The main difference between RDP and SSH is that SSH typically uses public and private key pairs instead of standard credentials for authentication. Unlike RDP, SSH lacks a graphical user interface (GUI) and instead uses text-based command-line interfacing.

Why is SSH used?

SSH is typically used to log into a remote machine and execute commands, but it also supports tunneling, forwarding TCP ports and X11 connections; it can transfer files using the associated SSH file transfer (SFTP) or secure copy (SCP) protocols. SSH uses the client–server model.

What is SSH key and how it works?

An SSH key is used to access a remote server through an SSH connection. The keys come in pairs, a public key and a private key. The public key is kept within the server and the private key is with the user or the client. The server authenticates the user by sending a message encrypted using the public key.

What is SSH key used for?

An SSH key is an access credential for the SSH (secure shell) network protocol. This authenticated and encrypted secure network protocol is used for remote communication between machines on an unsecured open network. SSH is used for remote file transfer, network management, and remote operating system access.

What is difference between SSH and SSH?

So, basically, there is no real difference, just different methods to use the encrypted connection.

What is the difference between SSH and VPN?

The fundamental distinction between the two technologies is that SSH connects to a specific machine, whereas VPN connects to a network. Each of these adds an extra layer of security when exploring the web. If you're searching for a business solution, a VPN offers the superior security and privacy option of the two.

Why is SSH not secure?

SSH enables traffic redirects and allows its users to set up a listening port on a client and tunnel data through an encrypted channel to an exit server port or vice versa. As a result, encrypted SSH connections can also be abused by attackers to exfiltrate data without being detected.

What port uses SSH?

SSH port 22

The port is used for Secure Shell (SSH) communication and allows remote administration access to the VM.

Why is it called SSH?

The acronym SSH stands for "Secure Shell." The SSH protocol was designed as a secure alternative to unsecured remote shell protocols. It utilizes a client-server paradigm, in which clients and servers communicate via a secure channel. The SSH protocol has three layers: The transport layer.