Secure remote login – SSH
As the internet grew, the security risks related to using SSH also became visible to users. To overcome these security risks, developers released a new tool called Secure Shell or SSH.
It provides the same functionality as Telnet, but in a secure encrypted tunnel.
Getting ready
For the Linux systems, we can use OpenSSH for SSH connections. It is a free tool for Linux and can be installed using apt. We have discussed the installation and configuration of OpenSSH in previous chapters.
How to do it...
In this section, we will see how using SSH instead of Telnet can secure our data:
- Once SSH is installed and configured, we can try to connect to the server using SSH as shown here. Enter the password when prompted:
- At the same time, if we try to capture the traffic using Wireshark, we get the following details:
In the previous screenshot, we can see in the last lines that a Key Exchange was initiated between the client and server.
- When we go through the packets captured, we can...
