Have you ever wondered why Linux network management is so confusing? You need only make a cursory review of the history of Linux networking tools to understand how it got this way.
Andreasson, Oskar. Iptables Tutorial 1.2.1. Chapter 6: Traversing of tables and chains. https://www.frozentux.net/iptables-tutorial/chunkyhtml/c962.html.
Andreasson, Oskar. 2006.
Two systems built-in to Ubuntu manage network routing: route (a legacy system) and ip route. Both use the same underlying code, yet report networking context a
A traditional router stores network route information in routing tables. A routing table is a map of a network. Linux uses a policy based routing system, aptly called a
We will begin the detailed discussion of the first component of the Routing Policy DataBase (RPDB) triad: routes (the other two components are ip rules and ip
Now that you have a basic understanding of Linux network routing, it's time to delve into some interesting things you can do with this information.
This section describes the use of alternative tools to the iproute2 suite for viewing the status of a network. They may be old, but route and netstat can still be useful
Chart of the most commonly used iptables rule syntax, demonstrating command syntax along with the tables and chains where each command may be utilized. The table scrolls
This category primarily covers: