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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

Troubleshooting NAT

NAT is commonly applied when address space is running out or to hide internal address space. There are many ways to apply NAT, but this can bring about some challenges. In this section, we'll cover some useful commands and special use cases.

In my lab, I have set up the following NAT rules:

Figure 7.14 – Lab NAT rules

The following command shows which NAT rules are active on the data plane and in which order they are installed. You will notice inbound 1 is missing. This is because it is disabled, so it is not installed on the data plane:

reaper@LABFW> show running nat-policy
"hide-nat; index: 1" {
        nat-type ipv4;
        from [ trust lab ];
        source any;
        to untrust;
        to-interface ethernet1...
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