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You're reading from Mastering Python for Networking and Security Leverage Python scripts and libraries to overcome networking and security issues

Product type Paperback

Published in Sep 2018

Publisher Packt

ISBN-13 9781788992510

Length 426 pages

Edition 1st Edition

Languages

Python

Tools

Raspberry Pi

Concepts

Network Security

Author (1):

José Manuel Ortega

View More author details

Table of Contents (16) Chapters

Preface

1. Working with Python Scripting

2. System Programming Packages FREE CHAPTER

3. Socket Programming

4. HTTP Programming

5. Analyzing Network Traffic

6. Gathering Information from Servers

7. Interacting with FTP, SSH, and SNMP Servers

8. Working with Nmap Scanners

9. Connecting with the Metasploit Framework

10. Interacting with the Vulnerabilities Scanner

11. Identifying Server Vulnerabilities in Web Applications

12. Extracting Geolocation and Metadata from Documents, Images, and Browsers

13. Cryptography and Steganography

14. Assessments

15. Other Books You May Enjoy

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Getting information on dns servers with DNSPython

In this section, we will create a DNS client in Python, and see how this client will obtain information about name servers, mail servers, and IPV4/IPV6 addresses.

DNS protocol

DNS stands for Domain Name Server, the domain name service used to link IP addresses with domain names. DNS is a globally-distributed database of mappings between hostnames and IP addresses. It is an open and hierarchical system with many organizations choosing to run their own DNS servers.

The DNS protocol is used for different purposes. The most common are:

Names resolution: Given the complete name of a host, it can obtain its IP address.
Reverse address resolution: It is the reverse mechanism to the...

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Authors (1)

José Manuel Ortega

José Manuel Ortega is a software engineer, focusing on new technologies, open source, security, and testing. His career goal has been to specialize in Python and security testing projects. In recent years, he has developed an interest in security development, especially in pentesting with Python. Currently, he is working as a security tester engineer and his functions in the role involves the analysis and testing of the security of applications in both web and mobile environments. He has taught at university level and collaborated with the official school of computer engineers. He has also been a speaker at various conferences. He is eager to learn about new technologies and loves to share his knowledge with the community.

See other products by José Manuel Ortega