Practical Opnsense

Simple packet filters are becoming a thing of the past. Even the open-source domain is moving towards Next-Generation Firewalls. OPNsense is a top player when it comes to intrusion detection, application control, web filtering, and Antivirus. No network is too insignificant to be spared by an attacker. Even home networks, washing machines, and smartwatches are under threat and require a secure environment. Firewalls are a component of the security concept. They protect against known and emerging threats to computers and networks. A firewall offers the highest level of protection if its functions are known, its operation is simple, and it is ideally positioned in the surrounding infrastructure. OPNsense accepts the challenge and meets these criteria in a number of ways. This book is the ideal companion for understanding, installing, and setting up an OPNsense firewall. Each chapter explains a real-world situation, describes the theoretical fundamentals, and presents a lab experiment for better understanding. Finally, it offers a solution using OPNsense methods and knowledge with a technical standpoint. The chapters are mostly independent of each other, however, they do increase in competency level. The topics covered are appropriate for beginners and professionals.

Simple packet filters are becoming a thing of the past. Even the open-source domain is moving towards Next-Generation Firewalls. And OPNsense is a top player when it comes to intrusion detection, application control, web filtering, and anti-virus. No network is too insignificant to be spared by an attacker. Even home networks, washing machines, and smartwatches are threatened and require a secure environment. Firewalls are a component of the security concept. They protect against known and new threats to computers and networks. A firewall offers the highest level of protection if its functions are known, its operation is simple, and it is ideally positioned in the surrounding infrastructure. OPNsense accepts the challenge and meets these criteria in different ways. This book is the ideal companion for understanding, installing and setting up an OPNsense firewall. Each chapter explains a real-world situation, describes the theoretical fundamentals, and presents a laboratory experiment for better understanding. Finally, it offers a solution using OPNsense methods and knowledge from a technical background. The chapters are mostly independent of each other, but presented with increasing levels of proficiency. Thus, the topics dealt with are appropriate for beginners to professionals.

Simple packet filters are becoming a thing of the past. Even the open-source domain is moving towards Next-Generation Firewalls. OPNsense is a top player when it comes to intrusion detection, application control, web filtering, and Antivirus. No network is too insignificant to be spared by an attacker. Even home networks, washing machines, and smartwatches are under threat and require a secure environment. Firewalls are a component of the security concept. They protect against known and emerging threats to computers and networks. A firewall offers the highest level of protection if its functions are known, its operation is simple, and it is ideally positioned in the surrounding infrastructure. OPNsense accepts the challenge and meets these criteria in a number of ways. This book is the ideal companion for understanding, installing, and setting up an OPNsense firewall. Each chapter explains a real-world situation, describes the theoretical fundamentals, and presents a lab experiment for better understanding. Finally, it offers a solution using OPNsense methods and knowledge with a technical standpoint. The chapters are mostly independent of each other, however, they do increase in competency level. The topics covered are appropriate for beginners and professionals. Major topics include: - Installation of OPNsense on physical hardware, VMware or VirtualBox - Initial setup - Updates and configuration - IPv6 - Transparent firewall - Address translation (NAT) - Management interface - IPsec and OpenVPN - Web Proxy - Authentication - Multi-WAN - Intrusion Detection - High Availability - API - Performance Tuning

Work with one of the most efficient open-source FreeBSD-based firewall and routing solutions to secure your network with ease Key Features • Learn end-to-end OPNsense firewall implementation and management • Defend against attacks by leveraging third-party plugins such as Nginx and Sensei • Grasp hands-on examples and labs to become proficient with OPNsense firewall Book Description OPNsense is one of the most powerful open source firewalls and routing platforms available. With OPNsense, you can now protect networks using features that were only previously available to closed source commercial firewalls. This book is a practical guide to building a comprehensive network defense strategy using OPNsense. You'll start with the basics, understanding how to install, configure, and protect network resources using native features and additional OPNsense plugins. Next, you'll explore real-world examples to gain in-depth knowledge of firewalls and network defense. You'll then focus on boosting your network defense, preventing cyber threats, and improving your knowledge of firewalling using this open source security platform. By the end of this OPNsense book, you'll be able to install, configure, and manage the OPNsense firewall by making the most of its features. What you will learn • Understand the evolution of OPNsense • Get up and running with installing and setting up OPNsense • Become well-versed with firewalling concepts and learn their implementation and practices • Discover how to apply web browsing controls and website protection • Leverage Sensei to implement next-generation firewall features • Explore the command-line interface (CLI) and learn the most relevant FreeBSD commands Who this book is for This OPNsense firewall book is for system administrators, network administrators, network security professionals, and enthusiasts who wish to build and manage an enterprise-grade firewall using OPNsense. A basic understanding of how a firewall works will be helpful to make the most of this book.

Explore everything you need to know to set up secure remote access, harden your firewall deployment, and protect against phishing Key FeaturesLearn the ins and outs of log forwarding and troubleshooting issuesSet up GlobalProtect satellite connections, configure site-to-site VPNs, and troubleshoot LSVPN issuesGain an in-depth understanding of user credential detection to prevent data leaks Book Description This book builds on the content found in Mastering Palo Alto Networks, focusing on the different methods of establishing remote connectivity, automating log actions, and protecting against phishing attacks through user credential detection. Complete with step-by-step instructions, practical examples, and troubleshooting tips, you will gain a solid understanding of how to configure and deploy Palo Alto Networks remote access products. As you advance, you will learn how to design, deploy, and troubleshoot large-scale end-to-end user VPNs. Later, you will explore new features and discover how to incorporate them into your environment. By the end of this Palo Alto Networks book, you will have mastered the skills needed to design and configure SASE-compliant remote connectivity and prevent credential theft with credential detection. What you will learnUnderstand how log forwarding is configured on the firewallFocus on effectively enabling remote accessExplore alternative ways for connecting users and remote networksProtect against phishing with credential detectionUnderstand how to troubleshoot complex issues confidentlyStrengthen the security posture of your firewallsWho this book is for This book is for anyone who wants to learn more about remote access for users and remote locations by using GlobalProtect and Prisma access and by deploying Large Scale VPN. Basic knowledge of Palo Alto Networks, network protocols, and network design will be helpful, which is why reading Mastering Palo Alto Networks is recommended first to help you make the most of this book.

Looking to step into the Network Security field with the Fortigate firewall? Or are you required to manage a FortiGate NGFW for your organization? Then this is the right book for you! The FortiGate is an amazing device with many cybersecurity features to protect your network. If you are new to FortiGate's then this is the perfect book for you! This book will cover general overview of working with Fortinet. Also, you will gain a solid understanding on day to day administrative tasks. Next, you will learn how FortiGate interacts with various layer-2 protocol. Also you will get a chance how to filter network traffic and apply security policies which is very exciting. Lastly, you will learn about the session table and how Fortigate handles traffic. Below is a full list of what this book covers: Chapter One - Introduction to FortiGate-Identify platform features of FortiGate-Describe Security Processor Unit SPU-Identify factory defaults-Understand the different operational modes-Understand FortiGate and FortiGuard Relationship-Manage administrator profiles-Manage administrative profiles-Manage network interfaces-Manage basic services-backup and restore config file-upgrade and downgrade firmware-Understand CLI structure-Understand GUI navigation-Initial ConfigurationChapter - 2 - Layer two technologies-Configuration of layer-2 VLANs-Describe VLANs and VLAN tagging process-Describe FortiOS Transparent Mode-Configure FortiOS Transparent Mode settings-Describe Transparent Mode Bridge Table-Describe MAC forwarding-Describe how to find MAC address on FortiOS-Describe Forwarding Domains-Describe and configure Virtual Switches-Describe Spanning Tree Protocol-Describe and Configure various NAT Mode layer-2 protocols-Describe and configure Layer-3 VLAN interface-Describe Virtual Wire Pairing-Describe and Configure VXLANChapter-3 Layer Three Technologies: -Configuration of Static Routes-implementation of Policy-Based Routes-Control traffic for well-known Internet Services-Interpret the FortiOS Routing Table-Understand FortiOS anti-spoofing mechanism-Implement route failover and floating route-Understand ECMP-Recognize active route vs standby route vs inactive routes-Use built in sniffer and diagnose flow debug tools, -Understand Session Table Entry.Chapter 4 - Firewall Policy and NAT-Identify components in Firewall Policy-Describe how traffic matches Firewall Policy Entries-Configure Firewall Policy Logging-Describe Policy GUI list views-Describe Policy ID's vs Policy Sequence numbers-Described where objects are referenced-Explain Name restrictions on Firewall Policies-Perform Firewall Policy re-ordering-Describe NAT and PAT-Explain different configuration modes for NAT-Configure and Describe SNAT and DNAT VIPs-Troubleshoot NAT issues

Install, Configure and Setup different connections with pfSense Key Features Build firewall and routing solutions with PfSense. Learn how to create captive portals, how to connect Pfsense to your https environment and so on. Practical approach towards building firewall solutions for your organization Book Description As computer networks become ubiquitous, it has become increasingly important to both secure and optimize our networks. pfSense, an open-source router/firewall, provides an easy, cost-effective way of achieving this – and this book explains how to install and configure pfSense in such a way that even a networking beginner can successfully deploy and use pfSense. This book begins by covering networking fundamentals, deployment scenarios, and hardware sizing guidelines, as well as how to install pfSense. The book then covers configuration of basic services such as DHCP, DNS, and captive portal and VLAN configuration. Careful consideration is given to the core firewall functionality of pfSense, and how to set up firewall rules and traffic shaping. Finally, the book covers the basics of VPNs, multi-WAN setups, routing and bridging, and how to perform diagnostics and troubleshooting on a network. What you will learn Install pfSense Configure additional interfaces, and enable and configure DHCP Understand Captive portal Understand firewalls and NAT, and traffic shaping Learn in detail about VPNs Understand Multi-WAN Learn about routing and bridging in detail Understand the basics of diagnostics and troubleshooting networks Who this book is for This book is towards any network security professionals who want to get introduced to the world of firewalls and network configurations using Pfsense. No knowledge of PfSense is required

Master Wicket by example by implementing real-life solutions to every day tasks.