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Kali Linux 2018: Assuring Security by Penetration Testing

You're reading from   Kali Linux 2018: Assuring Security by Penetration Testing Unleash the full potential of Kali Linux 2018, now with updated tools

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Product type Paperback
Published in Oct 2018
Publisher
ISBN-13 9781789341768
Length 528 pages
Edition 4th Edition
Languages
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Authors (7):
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Alex Samm Alex Samm
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Alex Samm
Damian Boodoo Damian Boodoo
Author Profile Icon Damian Boodoo
Damian Boodoo
Tedi Heriyanto Tedi Heriyanto
Author Profile Icon Tedi Heriyanto
Tedi Heriyanto
Gerard Johansen Gerard Johansen
Author Profile Icon Gerard Johansen
Gerard Johansen
Shakeel Ali Shakeel Ali
Author Profile Icon Shakeel Ali
Shakeel Ali
Shiva V. N. Parasram Shiva V. N. Parasram
Author Profile Icon Shiva V. N. Parasram
Shiva V. N. Parasram
Lee Allen Lee Allen
Author Profile Icon Lee Allen
Lee Allen
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Table of Contents (17) Chapters Close

Preface 1. Installing and Configuring Kali Linux 2. Setting Up Your Test Lab FREE CHAPTER 3. Penetration Testing Methodology 4. Footprinting and Information Gathering 5. Scanning and Evasion Techniques 6. Vulnerability Scanning 7. Social Engineering 8. Target Exploitation 9. Privilege Escalation and Maintaining Access 10. Web Application Testing 11. Wireless Penetration Testing 12. Mobile Penetration Testing with Kali NetHunter 13. PCI DSS Scanning and Penetration Testing 14. Tools for Penetration Testing Reporting 15. Assessments 16. Other Books You May Enjoy

Introducing port scanning

The simplest definition of port scanning is that it is 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 vulnerabilities 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...

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