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You're reading from Python Network Programming Cookbook Practical solutions to overcome real-world networking challenges

Product type Paperback

Published in Aug 2017

Publisher Packt

ISBN-13 9781786463999

Length 450 pages

Edition 2nd Edition

Languages

Python

Tools

HTTP

Concepts

Networking

Authors (3):

Pradeeban Kathiravelu

Gary Berger

Dr. M. O. Faruque Sarker

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Table of Contents (15) Chapters

Preface

1. Sockets, IPv4, and Simple Client/Server Programming FREE CHAPTER

2. Multiplexing Socket I/O for Better Performance

3. IPv6, Unix Domain Sockets, and Network Interfaces

4. Programming with HTTP for the Internet

5. Email Protocols, FTP, and CGI Programming

6. Programming Across Machine Boundaries

7. Working with Web Services – XML-RPC, SOAP, and REST

8. Network Monitoring and Security

9. Network Modeling

10. Getting Started with SDN

11. Authentication, Authorization, and Accounting (AAA)

12. Open and Proprietary Networking Solutions

13. NFV and Orchestration – A Larger Ecosystem

14. Programming the Internet

Finding DNS resource records

You may secure your DNS information with transaction signature (TSIG). This ensures a secured authorized update to DNS record. You may receive the Start of Authority (SOA) information of a host with the DNS lookup utilities host and dig. We first look at host utility followed by dig before looking into the Python code for our current recipe to retrieve the same information:

$ host cnn.com
cnn.com has address 151.101.129.67
cnn.com has address 151.101.193.67
cnn.com has address 151.101.1.67
cnn.com has address 151.101.65.67
cnn.com has IPv6 address 2a04:4e42:600::323
cnn.com has IPv6 address 2a04:4e42:400::323
cnn.com has IPv6 address 2a04:4e42:200::323
cnn.com has IPv6 address 2a04:4e42::323
cnn.com mail is handled by 10 mxb-000c6b02.gslb.pphosted.com.
cnn.com mail is handled by 10 mxa-000c6b02.gslb.pphosted.com.
    
$ host axn.com
axn.com has address...

The rest of the chapter is locked

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Authors (3)

Pradeeban Kathiravelu

Pradeeban Kathiravelu is an open source evangelist. He is a Ph.D. researcher at INESC-ID Lisboa/Instituto Superior Tecnico, Universidade de Lisboa, Portugal, and Universite Catholique de Louvain, Belgium. He is a Fellow of Erasmus Mundus Joint Degree in Distributed Computing (EMJD-DC), researching a software-defined approach to quality of service and data quality in multi-tenant clouds. Pradeeban holds a master of science degree, Erasmus Mundus European Master in Distributed Computing (EMDC), from Instituto Superior Tecnico, Portugal and KTH Royal Institute of Technology, Sweden. He also holds a first class bachelor of science in engineering (Hons) degree, majoring in computer science and engineering, from the University of Moratuwa, Sri Lanka. His research interests include Software-Defined Networking (SDN), distributed systems, cloud computing, web services, big data in biomedical informatics, Network Functions Virtualizations (NFV), and data mining. He is very interested in free and open source software development and has been an active participant in the Google Summer of Code (GSoC) program since 2009, as a student and as a mentor. Pradeeban has published several conference papers and co-authored a few book chapters. He has also worked on OpenDaylight Cookbook and Learning OpenDaylight as a technical reviewer. Python Network Programming Cookbook, Second Edition (2017) is his first book as an author, and he is quite excited about it.

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Gary Berger

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Dr. M. O. Faruque Sarker

Dr. M. O. Faruque Sarker is a software architect based in London; he has shaped various Linux and open source software solutions mainly on cloud computing platforms for various institutions. Over the past 10 years, he has led numerous Python software development and cloud infrastructure automation projects. In 2009, he started using Python and shepherded a fleet of miniature E-puck robots at the University of South Wales, Newport, UK. Later, he was invited to work on the Google Summer of Code (2009/2010) programs to contribute to the BlueZ and Tahoe-LAFS open source projects. He is the author of Python Network Programming Cookbook, Packt Publishing and received his PhD in multirobot systems at the University of South Wales.

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