External Resources

• Using Firewalls in RHEL-7 (Red Hat Customer Portal)
• FirewallD Documentation (Fedora Project Wiki)
• Firewalld basics (Roland Wolters’ blog)
• firewalld, firewall-cmd, firewall-config (oracle-base.com)
• What Is FirewallD and How It Works (Khosro Taraghi’s blog)
• RHEL7: How to get started with Firewalld (certdepot.net)
• Fedora, Debian, Ubuntu, Gentoo, Arch Linux