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HOW TO: access SSH using PuTTY

Last modified: November 18, 2020
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HOW TO: access SSH using PuTTY

In this article, you are going to learn about how to access/ connect SSH using PuTTY by following these 4 main steps: 

  1. Download PuTTY
  2. Configure your connection
  3. Accept the key
  4. Enter your username and password.   

    Interested to know more about PuTTY? You can watch our tutorial video over here-  How to Connect your Linux VPS via SSH/Putty (2019) 

Before we start, you should know:

What is SSH?

SSH (Secure Shell) is a network protocol that can allow one computer to securely connect to another computer over an unsecured network. Just like the internet, having a shared agreement on how to communicate. SSH is an application layer protocol (7th layer of the OSI model). It is a useful tool as you can simply connect to it over the internet, no longer have to access another machine physically. Thus, it allows us to control servers remotely.

Furthermore, SSH was first appeared in the mid-90s and was designed as a replacement for Telnet  Telnet is also an application layer protocol that transferred data without encryption. Without encryption, data travels over the internet will be in plain text. Anyone with a packet sniffer between you and the remote machine could see all the data you were transferring and basically everything you were doing.

Data transmitted in plain text can be seen by others. Encryption is one of the ways to hide a piece of data to make it unreadable unless you know how to decode or decrypt the data. SSH was created as a secure way of communication which encrypts data through a tunnel, so that bad actor cannot retrieve the data when transferring it. With SSH, you can still see that data is being transferred and how much of it is being transferred. However, you cannot see what the data is.

Besides, SSH is commonly implemented using the client-server model. The computer is called the SSH client and another machine is the SSH server or so-called host.

What Can We Transfer With SSH?

SSH can be used to transmit: data, commands, text, and files (Using SFTP (Secure File Transfer Protocol).

How to connect SSH to the server

NOTE: For the safety purpose of our servers, we are using SSH PORT: 44200

I) Download PuTTY

Download and open PuTTY using the following steps:

  • Download PuTTY from the PuTTY website. Ensure that you comply with the license requirements.
  • Launch the client.

II) Configure your connection

To configure your connection, use the following steps:

  1. In the PuTTY Configuration window, enter the following values:
  • In the Host Name field, enter the Internet Protocol (IP) address of your Cloud Server.
  • Ensure that the connection type is set to SSH.
  • (Optional) In the Saved Sessions field, assign a name for this connection. The next time you use PuTTY, assigning one name saves time. Each of your cloud servers can be assigned a different name. 
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