This course is designed for aspiring Linux security administrators who are eager to enhance their skills in safeguarding systems and networks. In this course, you will delve into the world of firewalls, exploring tools like UFW, firewalld, and nftables, each offering unique capabilities for robust protection. You'll gain hands-on experience in configuring and managing these firewalls, ensuring your systems are shielded from unauthorized access. Additionally, you'll learn the practice of securing SSH connections, a critical skill for remote system administration. By the end of this course, you will have a solid understanding of firewall technologies and SSH security, empowering you to implement a multi-layered defense strategy with confidence.


Linux Security Basics and Beyond: Unit 3
本课程是 Linux Security Basics and Beyond 专项课程 的一部分

位教师:Pearson
包含在 中
您将学到什么
Understand and implement various Linux-based firewall technologies, including UFW, firewalld, and nftables.
Configure and manage firewalls to control network traffic and enhance system security.
Secure SSH connections using keys and advanced configuration techniques.
Develop a comprehensive security strategy with a focus on zero trust principles.
您将获得的技能
要了解的详细信息

添加到您的领英档案
July 2025
5 项作业
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该课程共有1个模块
This module introduces firewalls, which are used to permit or deny traffic to and from a computer or network. It covers different types of Linux-based firewalls and the meaning behind zero trust mindsets. You will learn about UFW, an uncomplicated firewall and the trade-offs in security that can be associated with ease-of-use firewalls. You'll learn about firewalld, a functional front-end firewall tool that offers increased security. You also learn about nftables and the nft command, currently the most powerful firewalling tool in Linux. Finally, you'll learn how to harden a secure shell server using keys and locking down the SSHD_config file, as well as why incorporating SSH security to firewalling is a critical security step and how to do it.
涵盖的内容
34个视频5个作业
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常见问题
Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.
If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.
Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.
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