Book Image

Mastering Linux Network Administration

By : Jay LaCroix
Book Image

Mastering Linux Network Administration

By: Jay LaCroix

Overview of this book

Linux is everywhere. Whether you run a home office, a small business, or manage enterprise systems, Linux can empower your network to perform at its very best. Armed with the advanced tools and best practice guidance of this practical guide, you'll be able to mold Linux networks to your will, empowering your systems and their users to take advantage of all that Linux-based networks have to offer. Understand how Linux networks function and get to grips with essential tips and tricks to manage them - whether you're already managing a networks, or even just starting out. With Debian and CentOS as its source, this book will divulge all the details you need to manage a real Linux-based network. With detailed activities and instructions based on real-world scenarios, this book will be your guide to the exciting world of Linux networking.
Table of Contents (17 chapters)
Mastering Linux Network Administration
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Understanding the TCP/IP protocol suite


TCP/IP is the most popular networking protocol in existence. Not only is it the primary protocol suite of the Internet, it's something that you can find on just about any device that supports network connectivity in one form or another. Your computer understands this suite very well, but nowadays your phone, TV, and perhaps even a kitchen appliance or two supports this technology. It really is everywhere. Although TCP/IP is often referred to as a protocol, it's actually a protocol suite made up of several individual protocols. From the name, I'm sure you can gather that two of them are the TCP and IP protocols. In addition, there is also a third, UDP, which is part of this protocol suite as well.

TCP is an acronym for Transmission Control Protocol. It's responsible for breaking down network transmissions into sequences (also known as packets or segments), which are then sent to the target node and reassembled back into the original message by TCP...