Netfilter and Iptables Overview

We live in a world where being connected is the norm. If we were able to see the packets traveling around us then we d surely go insane. One of the main tasks of system administrators is implementing systems that work with these packets. Probably the most popular need is for a firewall. In this article we are going to overview the Netfilter framework along with its Iptables user space in Linux….

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