USB Guard : Protecting Your System on Linux

In this video, we dive into the world of USB Guard, an essential tool for securing your system against unauthorized USB devices. We'll explore how to configure USB Guard using its configuration files and demonstrate how to find USB device information, including serial numbers and interfaces, using the lsusb and udevadm commands.

USB Guard provides an additional layer of defense by allowing you to control which USB devices can connect to your system. We'll walk you through the process of adding yourself to a specific group in Linux to access USB Guard functionality. We'll explain how to update your group membership and ensure the changes are reflected.

To set up USB Guard, we'll guide you through the configuration files, where you can specify the rules for allowing or blocking USB devices based on various criteria. We'll show you how to define rules using vendor IDs, product IDs, and other attributes, granting you granular control over device permissions.

Moreover, we'll demonstrate how to leverage the lsusb command to identify USB devices connected to your system. You'll learn how to extract vital information like serial numbers and interfaces, which can be crucial for creating precise rules in USB Guard's configuration files.

Additionally, we'll introduce the udevadm command, which provides detailed information about devices and their associated rules. We'll explore how to use udevadm to find specific device attributes that aid in configuring USB Guard effectively.

By the end of this tutorial, you'll have a comprehensive understanding of USB Guard, its configuration files, and the methods to identify USB devices using lsusb and udevadm. Enhance the security of your system by learning how to protect against unauthorized USB connections with USB Guard.

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