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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

Introducing port scanning


In its simplest definition, port scanning can be defined as a method used to determine the state of the Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports on the target machines. An open port may mean that there is a network service listening on the port and the service is accessible, whereas a closed port means that there is no network service listening on that port.

After getting the port's state, an attacker will then check the version of the software used by the network service and find out the vulnerability of that version of software. For example, suppose that server A has web server software version 1.0. A few days ago, there was a security advisory released. The advisory gave information about the vulnerability in web server software version 1.0. If an attacker finds out about server A's web server and is able to get the version information, the attacker can use this information to attack the server. This is just a simple example of...

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