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Practical Network Scanning

You're reading from Practical Network Scanning Capture network vulnerabilities using standard tools such as Nmap and Nessus

Product type Paperback

Published in May 2018

Publisher

ISBN-13 9781788839235

Length 326 pages

Edition 1st Edition

Languages

SQL

Tools

Nessus

Concepts

Network Security

Author (1):

Ajay Singh Chauhan

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Table of Contents (15) Chapters

Preface

1. Fundamental Security Concepts FREE CHAPTER

2. Secure Network Design

3. Server-Level Security

4. Cloud Security Design

5. Application Security Design

6. Threat Detection and Response

7. Vulnerability Assessment

8. Remote OS Detection

9. Public Key Infrastructure-SSL

10. Firewall Placement and Detection Techniques

11. VPN and WAN Encryption

12. Summary and Scope of Security Technologies

13. Assessment

14. Other Books you may enjoy

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OS detection technique with Nmap

Before we talk about remote operating system detection, let's discuss what Nmap is and what it can do. I will also walk you through different flags and nobs that can be used with the Nmap tool in general.

Nmap tool

Network Mapper (Nmap) is a freely available open source tool for systems and network administrators, allowing them to perform tasks such as collecting enterprise network inventory, managing service upgrade schedules, basic security audits, and monitoring hosts or service up-time. Nmap is officially available for major computer operating system platforms such as Linux, Windows and macOS X.

Nmap binaries can be downloaded from https://nmap.org/download.html. After successful installation, you can check the version simply by passing the nmap -V command:

Windows: Output on Windows shows that the program currently installed is Nmap version 7.60:

Linux: Output on Linux shows that the program currently installed here is Nmap version 6.40:

Nmap can be run using...

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Authors (1)

Singh Chauhan

Singh Chauhan

Ajay Singh Chauhan is an experienced Network and Security Architect and has been working extensively in the IT industry for 15 years. During his career, he has had varied responsibilities, ranging from looking after an entire IT infrastructure to providing network operations, implementation, and network design solutions. Ajay works almost exclusively with large-scale cloud datacenter multi-vendor technologies. He contributes to the Cisco blogging platform by providing IT Professionals with troubleshooting tips and tricks.

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