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Check Point Firewall Administration R81.10+

You're reading from   Check Point Firewall Administration R81.10+ A practical guide to Check Point firewall deployment and administration

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781801072717
Length 654 pages
Edition 1st Edition
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Author (1):
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Vladimir Yakovlev Vladimir Yakovlev
Author Profile Icon Vladimir Yakovlev
Vladimir Yakovlev
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Toc

Table of Contents (21) Chapters Close

Preface 1. Part 1: Introduction to Check Point, Network Topology, and Firewalls in Your Infrastructure and Lab
2. Chapter 1: Introduction to Check Point Firewalls and Threat Prevention Products FREE CHAPTER 3. Chapter 2: Common Deployment Scenarios and Network Segmentation 4. Chapter 3: Building a Check Point Lab Environment – Part 1 5. Chapter 4: Building a Check Point Lab Environment – Part 2 6. Part 2: Introduction to Gaia, Check Point Management Interfaces, Objects, and NAT
7. Chapter 5: Gaia OS, the First Time Configuration Wizard, and an Introduction to the Gaia Portal (WebUI) 8. Chapter 6: Check Point Gaia Command-Line Interface; Backup and Recovery Methods; CPUSE 9. Chapter 7: SmartConsole – Familiarization and Navigation 10. Chapter 8: Introduction to Policies, Layers, and Rules 11. Chapter 9: Working with Objects – ICA, SIC, Managed, Static, and Variable Objects 12. Chapter 10: Working with Network Address Translation 13. Part 3: Introduction to Practical Administration for Achieving Common Objectives
14. Chapter 11: Building Your First Policy 15. Chapter 12: Configuring Site-to-Site and Remote Access VPNs 16. Chapter 13: Introduction to Logging and SmartEvent 17. Chapter 14: Working with ClusterXL High Availability 18. Chapter 15: Performing Basic Troubleshooting 19. Other Books You May Enjoy Appendix: Licensing

Creating rules for the firewall/networking layer

Since a Gateway Access rule is already present, the next rules are listed as follows:

  • DHCP
  • Dynamic Routing
  • Noise Suppression

These three are interconnected in that all of them are related to traffic addressed to the gateways. Because of this, these three sections are located higher up in the policy than the Stealth Rule section.

The Noise Suppression section and rules are there to drop and avoid logging useless traffic, specifically, the broadcast traffic from connected networks and the general broadcast. However, DHCP relies on it, so the relevant section must be positioned higher. Additionally, we are supposed to define objects representing the broadcast addresses for connected networks and general broadcasts.

Defining hosts for broadcast addresses

To handle broadcast traffic, we have to create a number of dummy host objects with broadcast addresses. In SmartConsole, launch the COMMAND LINE window from...

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