11/6/2022 0 Comments Ssh shell secure![]() ![]() ![]() We'll cover the only essential concepts and techniques in this chapter.īefore we look at asymmetric encryption, let's take a quick look at the challenges of symmetric encryption - which will help explain why asymmetric encryption is preferred. The details of symmetric and asymmetric encryption complex and beyond the scope of this book 1. But public/private key based security is extremely secure and a great thing to know about! So let's start by looking at how public and private keys work and then create our own key pair which we will later use to secure our connections. ![]() This might be new to you if you are used to using simple authentication protocols such as username and password. In most scenarios however you will have to use Asymmetric Encryption to authenticate with the server.Īsymmetric encryption uses special 'keys', called 'public keys' and 'private keys' to manage authentication and secure data. It is possible to authenticate with a username and password. When you connect to a remote machine, you will typically have to authenticate. The program named ssh is the 'secure shell' - it is a program that helps you establish SSH connections, manage credentials, and open a shell on a remote machine. It is a protocol that has been used for decades as a way to establish a secure connection to a remote machine, on your network or across the internet. #SSH SHELL SECURE HOW TO#We'll also look at how to configure SSH to make it easier to work with! What is SSH? In this chapter we'll look at how to setup the required credentials and keys to allow us to securely connect to a remote machine, how to create a virtual machine in the cloud and then how to connect to that machine from our local machine using the ssh program. We can use Secure Shell Protocol, or SSH, to open a secure network connection to a remote machine and use the shell to work on that machine. So far we have been using the shell to operate on our local machine. ![]()
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