Basic Concepts You Need to Know When Using FirewallDīefore we dive into the nitty-gritty of things let’s first go over some basic FirewallD concepts. With that in mind, in this article, we’re going to guide you through the process of setting up and managing a firewall with FirewallD while also trying to make things as easy to understand as possible. But while you don’t have to install the utility, you do have to set it up.
This complete firewall management tool works hand in hand with the iptables provided by the Linux kernel and comes pre-installed with CentOS 7.
If you’re on CentOS 7, there are a number of good firewall solutions that can help you with this essential task, however, very few are as reliable as FirewallID. That is precisely why securing your system with a solid firewall has never been more important. And with a good reason for the most part. We live in a day and age when people are becoming increasingly worried about their online privacy and security.
