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You're reading from  Designing and Implementing Microsoft Azure Networking Solutions

Product typeBook
Published inAug 2023
PublisherPackt
ISBN-139781803242033
Edition1st Edition
Tools
Azure
Concepts
Networking
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Author (1)
David Okeyode
David Okeyode
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David Okeyode

David is the EMEA Azure CTO at Palo Alto Networks. Before that, he was an independent consultant helping companies secure their Azure environments through private expert level trainings and assessments. He has authored two books on Azure security - "Penetration Testing Azure for Ethical Hackers" and "Microsoft Azure Security Technologies Certification and Beyond. He has also authored multiple cloud computing courses for popular platforms like LinkedIn Learning. He holds over 15 cloud certifications and has over a decade of experience in Cybersecurity (consultancy, design, implementation). David is married to a lovely girl who makes the best banana cake in the world. They love travelling the world together!
Read more about David Okeyode

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Name resolution scenarios and options

DNS servers host records that translate human-readable domain names into machine-readable IP addresses (used by computers to communicate with each other). For example, Figure 2.7 shows the DNS server for the azurecourses.xyz domain zone, which has a single A record that translates the www.azurecourses.xyz hostname into the IP address 1.2.3.4. Clients that want to communicate with the web server called www.azurecourses.xyz can make a DNS request to their DNS resolver to translate the name into an IP address. The DNS resolver will then go through an iterative process to make a record request to the DNS server (Figure 2.7).

Figure 2.7 – DNS server and name resolution

Figure 2.7 – DNS server and name resolution

To facilitate network communications, there are two name resolution scenarios that we will cover:

  • Internal name resolution: Providing name resolution for private/internal clients hosted in our virtual networks
  • External name resolution:...
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Designing and Implementing Microsoft Azure Networking Solutions
Published in: Aug 2023Publisher: PacktISBN-13: 9781803242033
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
David Okeyode

David is the EMEA Azure CTO at Palo Alto Networks. Before that, he was an independent consultant helping companies secure their Azure environments through private expert level trainings and assessments. He has authored two books on Azure security - "Penetration Testing Azure for Ethical Hackers" and "Microsoft Azure Security Technologies Certification and Beyond. He has also authored multiple cloud computing courses for popular platforms like LinkedIn Learning. He holds over 15 cloud certifications and has over a decade of experience in Cybersecurity (consultancy, design, implementation). David is married to a lovely girl who makes the best banana cake in the world. They love travelling the world together!
Read more about David Okeyode

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