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  • Book Overview & Buying Kali Linux 2 - Assuring Security by Penetration Testing
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Kali Linux 2 - Assuring Security by Penetration Testing

Kali Linux 2 - Assuring Security by Penetration Testing - Third Edition

By : Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali
4.2 (5)
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Kali Linux 2 - Assuring Security by Penetration Testing

Kali Linux 2 - Assuring Security by Penetration Testing

4.2 (5)
By: Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali

Overview of this book

Kali Linux is a comprehensive penetration testing platform with advanced tools to identify, detect, and exploit the vulnerabilities uncovered in the target network environment. With Kali Linux, you can apply appropriate testing methodology with defined business objectives and a scheduled test plan, resulting in a successful penetration testing project engagement. Kali Linux – Assuring Security by Penetration Testing is a fully focused, structured book providing guidance on developing practical penetration testing skills by demonstrating cutting-edge hacker tools and techniques with a coherent, step-by-step approach. This book offers you all of the essential lab preparation and testing procedures that reflect real-world attack scenarios from a business perspective, in today's digital age.
Table of Contents (18 chapters)
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17
Index

Understanding the TCP/IP protocol


In the TCP/IP protocol suite, there are dozens of different protocols, but the most important ones are TCP and IP. IP provides addressing, datagram routing, and other functions for connecting one machine to another, while TCP is responsible for managing connections and provides reliable data transport between processes on two machines. IP is located in the network layer (layer 3) in the Open Systems Interconnection (OSI) model, whereas TCP is located in the transport layer (layer 4) of OSI.

Besides TCP, the other key protocol in the transport layer is UDP. You may ask what the differences between these two protocols are.

In brief, TCP has the following characteristics:

  • This is a connection-oriented protocol: Before TCP can be used to send data, the client and the server that want to communicate must establish a TCP connection using a three-way handshake mechanism, as follows:

    • The client initiates the connection by sending a packet containing a SYN (synchronize...

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