How to Configure and Manage the Firewall on CentOS 8
In this tutorial, we will talk about how to configure and manage the firewall on CentOS 8. We'll also explain the basic FirewallD concepts.
How to Set Up a Firewall with FirewallD on CentOS 7
FirewallD is a complete firewall solution that manages the system's iptables rules and provides a D-Bus interface for operating on them. In this tutorial, we show you how to set up a firewall with FirewallD on your CentOS 7 system and explain you the basic FirewallD concepts.