This course covers Linux firewall configurations, focusing on ufw, firewalld, and iptables. You'll explore essential Linux security features like boot loader password management, chroot jails, and LUKS disk encryption. You'll also learn about secure access control, including pluggable authentication modules (PAM) and TCP Wrappers. Finally, you'll study mandatory access control with SELinux and AppArmor. The course includes practical labs for hands-on experience.
CompTIA Linux+ XK0-005: Unit 7
CompTIA Linux+ XK0-005: Unit 7
This course is part of CompTIA Linux+ XK0-005 Specialization
Instructor: Pearson
Included with 
Gain insight into a topic and learn the fundamentals.
Intermediate level
Recommended experience
3 hours to complete
Flexible schedule
Learn at your own pace
What you'll learn
Configure and manage Linux firewalls using ufw, firewalld, and iptables.
Implement essential Linux security features, including boot loader passwords and disk encryption.
Master secure access control with PAM and TCP Wrappers.
Gain expertise in mandatory access control with SELinux and AppArmor.
Skills you'll gain
Details to know
Shareable certificate
Add to your LinkedIn profile
Recently updated!
August 2025
Assessments
4 assignments
Taught in English
See how employees at top companies are mastering in-demand skills
Build your subject-matter expertise
This course is part of the CompTIA Linux+ XK0-005 Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
- Learn new concepts from industry experts
- Gain a foundational understanding of a subject or tool
- Develop job-relevant skills with hands-on projects
- Earn a shareable career certificate
There is 1 module in this course
In this module you'll learn about server related security. You'll explore different firewalling options and learn about generic Linux security related features. And You will also learn about secure access and mandatory access control, which include SELinux as well as AppArmor.
What's included
33 videos4 assignments
Earn a career certificate
Add this credential to your LinkedIn profile, resume, or CV. Share it on social media and in your performance review.
Explore more from Support and Operations
Why people choose Coursera for their career
Felipe M.
Learner since 2018
"To be able to take courses at my own pace and rhythm has been an amazing experience. I can learn whenever it fits my schedule and mood."
Jennifer J.
Learner since 2020
"I directly applied the concepts and skills I learned from my courses to an exciting new project at work."
Larry W.
Learner since 2021
"When I need courses on topics that my university doesn't offer, Coursera is one of the best places to go."
Chaitanya A.
"Learning isn't just about being better at your job: it's so much more than that. Coursera allows me to learn without limits."
Open new doors with Coursera Plus
Unlimited access to 10,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription
Advance your career with an online degree
Earn a degree from world-class universities - 100% online
Join over 3,400 global companies that choose Coursera for Business
Upskill your employees to excel in the digital economy
Frequently asked questions
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.
More questions
Financial aid available,