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You're reading from  Certified Ethical Hacker (CEH) v12 312-50 Exam Guide

Product typeBook
Published inJul 2022
PublisherPackt
ISBN-139781801813099
Edition1st Edition
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Author (1)
Dale Meredith
Dale Meredith
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Dale Meredith

Dale Meredith is an EC-Council Certified Ethical Hacker/Instructor and a Microsoft Certified Trainer. Dale has over 10 years of senior IT management experience and was a CTO for an ISP. Dale's skill as an IT trainer lies in clarifying complicated concepts and ensuring students understand the theories. Dale's teaching style is memorable and entertaining. His expertise has led to many opportunities, including teaching teams in Fortune 500 firms, universities globally, the Department of Homeland Security, and many US military branches. Along with authoring video courses, consulting, and classroom training, you can catch Dale on stage speaking at IT conferences around the world, helping teams keep their companies safe, relevant, and breach- aware.
Read more about Dale Meredith

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Understanding the three-way handshake

Let's talk about how polite computers are when it comes to communicating with each other, shall we? So, part of the scanning concept is understanding what they refer to as the three-way handshake. Again, it's very polite.

Mike O'Cain, who is an American football coach and former player, once said I don't remember who came up with the handshake idea, but it was a great one.

This is true because there are some advantages when it comes to the three-way handshake and computers.

To understand the three-way handshake, you must get your geek on. You need to understand what's going on in the background. To cover this in a way that makes sense, we'll look at TCP and UDP communications. We'll also look at the different flags that a TCP header has. After that, we'll look at the extremely normal three-way handshake and ensure you understand the communication that goes on between computers as they're about...

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Certified Ethical Hacker (CEH) v12 312-50 Exam Guide
Published in: Jul 2022Publisher: PacktISBN-13: 9781801813099

Author (1)

author image
Dale Meredith

Dale Meredith is an EC-Council Certified Ethical Hacker/Instructor and a Microsoft Certified Trainer. Dale has over 10 years of senior IT management experience and was a CTO for an ISP. Dale's skill as an IT trainer lies in clarifying complicated concepts and ensuring students understand the theories. Dale's teaching style is memorable and entertaining. His expertise has led to many opportunities, including teaching teams in Fortune 500 firms, universities globally, the Department of Homeland Security, and many US military branches. Along with authoring video courses, consulting, and classroom training, you can catch Dale on stage speaking at IT conferences around the world, helping teams keep their companies safe, relevant, and breach- aware.
Read more about Dale Meredith