Linux Firewalls and SELinux
Certificate of Completion
Congratulations, Geraldo Ribeiro
Linux: Firewalls and SELinux
Course completed on Dec 16, 2022 at 09:12PM UTC • 2 hours 22 min
By continuing to learn, you have expanded your perspective, sharpened your
skills, and made yourself even more in demand.
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Certificate ID: AdsqFoWiO-ro-GWjLp87WyFcUfRg
This course takes you through the basics of firewalls on Linux. Sean Colins shows you how to configure Firewalld for local protection, work with SELinux, and troubleshoot firewalls. He also covers iptables, default policies, port blocking, and port forwarding. Learn how to install GUI controls and utilities, manage zones and services, enable servers, set access controls, change ports, move files, and more.
Learning objectives
- Working with iptables
- Installing Firewalld
- Exploring zones and services
- Allowing the Apache web server
- Allowing FTP and SFTP servers
- Installing SELinux utils
- Setting discretionary or mandatory access
- Installing SELinux man pages
- Working with Booleans
- Changing context labels
- Running sepolicy
- Finding SELinux logs
- Making domains permissive
- Disabling and reenabling SELinux