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Securing Remote Access in Palo Alto Networks

You're reading from   Securing Remote Access in Palo Alto Networks Practical techniques to enable and protect remote users, improve your security posture, and troubleshoot next-generation firewalls

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Product type Paperback
Published in Jul 2021
Publisher Packt
ISBN-13 9781801077446
Length 336 pages
Edition 1st Edition
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Author (1):
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Tom Piens Aka 'Reaper' Tom Piens Aka 'Reaper'
Author Profile Icon Tom Piens Aka 'Reaper'
Tom Piens Aka 'Reaper'
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Toc

Table of Contents (11) Chapters Close

Preface 1. Section 1: Leveraging the Cloud and Enabling Remote Access
2. Chapter 1: Centralizing Logs FREE CHAPTER 3. Chapter 2: Configuring Advanced GlobalProtect Features 4. Chapter 3: Setting up Site-to-Site VPNs and Large-Scale VPNs 5. Chapter 4: Configuring Prisma Access 6. Section 2: Tools, Troubleshooting, and Best Practices
7. Chapter 5: Enabling Features to Improve Your Security Posture 8. Chapter 6: Anti-Phishing with User Credential Detection 9. Chapter 7: Practical Troubleshooting and Best Practices Tools 10. Other Books You May Enjoy

Configuring the service infrastructure

The first thing that needs to be configured is the service infrastructure, as illustrated in the following screenshot. This is essentially the virtual network "inside" Prisma Access that serves as the backbone between remote networks, service connections, GlobalProtect users, and the internet. This needs to exist before any other component can be configured and needs a subnet that does not overlap anywhere else in the company.

On the Service Setup menu item, click the cog wheel to configure the service infrastructure.

In the General tab, do the following:

  • Provide an infrastructure subnet that does not overlap with any internal networks. Choose wisely because once this network has been configured, it can't be changed.
  • A Border Gateway Protocol Autonomous System (BGP AS) is present and can be changed if an internal BGP is used for enterprise-wide routing. If no dynamic routing is used, the BGP AS can remain unchanged...
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