The Linux kernel contains a framework called Netfilter for networking purposes. Start honing your networking skills by practicing these iptables rules for a better view of the subject.įoundation & Structure of Linux IPtables Rules We have curated this guide carefully and outlined the contents according to that. Fundamental knowledge of the iptables utility and its purpose will make it easier to master the firewall. People often think hard of iptables firewall rules, but in practice, they’re pretty straightforward once you get going. It’s a user-space program that allows users to configure their kernel firewall table and manage the chains and rules contained by it using simple iptables rules. Linux iptables is one such utility which provides sysadmins all they need to manage modern-day networks effectively.
It allows system administrators the ability to control their network any way they want. Linux powers the majority of business servers in the world due to its robust networking capabilities. One of the main reasons behind the immense popularity enjoyed by Linux is its sheer prowess in networking.