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OPNsense Beginner to Professional

You're reading from OPNsense Beginner to Professional Protect networks and build next-generation firewalls easily with OPNsense

Product type Paperback

Published in Jun 2022

Publisher Packt

ISBN-13 9781801816878

Length 464 pages

Edition 1st Edition

Tools

FreeBSD

Concepts

Network Security

Author (1):

Julio Cesar Bueno de Camargo

View More author details

Table of Contents (25) Chapters

Preface

1. Section 1: Initial Configuration

2. Chapter 1: An OPNsense Overview FREE CHAPTER

3. Chapter 2: Installing OPNsense

4. Chapter 3: Configuring an OPNsense Network

5. Chapter 4: System Configuration

6. Section 2: Securing the Network

7. Chapter 5: Firewall

8. Chapter 6: Network Address Translation (NAT)

9. Chapter 7: Traffic Shaping

10. Chapter 8: Virtual Private Networking

11. Chapter 9: Multi-WAN – Failover and Load Balancing

12. Chapter 10: Reporting

13. Section 3: Going beyond the Firewall

14. Chapter 11: Deploying DHCP in OPNsense

15. Chapter 12: DNS Services

16. Chapter 13: Web Proxy

17. Chapter 14: Captive Portal

18. Chapter 15: Network Intrusion (Detection and Prevention) Systems

19. Chapter 16: Next-Generation Firewall with Zenarmor

20. Chapter 17: Firewall High Availability

21. Chapter 18: Website Protection with OPNsense

22. Chapter 19: Command-Line Interface

23. Chapter 20: API – Application Programming Interface

24. Other Books You May Enjoy

Chapter 19: Command-Line Interface

This chapter will explore the shell command-line interface (CLI). We will explore some of the most relevant FreeBSD commands to manage the system, networking, and firewalling. We will also learn how to customize some parts of the system and use commands to improve information extraction from logs. At the end of this chapter, you will be capable of running commands on the OPNsense CLI for diagnostics and troubleshooting purposes.

We will explore the following topics:

Directory structure
Managing the configd backend daemon
Useful system commands
Advanced customization
Filtering log files

The rest of the chapter is locked

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Authors (1)

Camargo

Camargo

Julio Cesar Camargo is a cybersecurity professional with +15 years of experience working with open-source software. He started with Conectiva Linux and later became the official instructor helping dozens of students. As an aviation enthusiast and airplane pilot, he strives to bring all the aviation best practices to his professional routine. Julio started working with OPNsense in 2016, contributing to the project with code, official forum moderation, articles, Udemy course, and promotions in Europe. He founded Cloudfence in 2018, a cybersecurity startup and a Luso-Brazilian-managed security services firm with an open-source DNA. As its CTO, Julio aims to spread open source security as a service to companies from different parts of the world.

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