Security is among the most important considerations in network design. Malicious users and attackers are always trying to find ways of compromising the privacy and…
Category: Linux
In networking, creating a firewall pinhole is a method that allows hosts outside an enterprise network to gain access to a resource, such as a…
In this lesson, you'll learn about best practices for configuring Linux firewalls, with a special focus on the principle of "default deny" or "drop" policy.…
In this lesson, you will learn about Linux firewalls. We will focus on iptables which is one of the most widely used firewall utilities in Linux. Firewalls…
A network interface in Linux is a software representation of a network connection. It's how the operating system interacts with the underlying network hardware or…
In this lesson, you will learn how to create executable bash scripts in Linux. Bash scripts are a powerful tool for automating tasks, running a…
Package managers are tools that automate the process of managing software on your Linux system. They handle the installation, updating, configuration, and removal of software…
In this lesson, you will learn how to generate an SSH key pair on both Windows and Linux, and how to use it for a…
In this lesson, we will explore how to delegate administrative privileges using the sudo command and how to manage sudo permissions through the /etc/sudoers file. This will enable us…
In this lesson, we will delve into managing passwords on a Linux/Unix system. This includes changing passwords, enforcing password policies, and understanding the formatting of…