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.

How to Set Up a Firewall with FirewallD on CentOS 7 | Linuxize

https://linuxize.com/post/how-to-setup-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.