Overview What You Will Learn Curriculum Instructor

Course Overview

A comprehensive course designed to help individuals and IT professionals build robust and secure network infrastructures using the powerful and open-source OPNsense firewall. Whether you're managing a home network, securing small to medium-sized business environments, or deploying enterprise-grade solutions, this course equips you with the practical knowledge and step-by-step guidance to install, configure, and manage OPNsense effectively.

This course begins with an introduction to OPNsense and outlines early enrollment benefits. It then explores hardware options including bare-metal and virtualized deployments, with a focus on the Protectli Vault V1610. Learners are guided through preparing installation media, installing OPNsense on physical and virtual platforms like Proxmox, and completing the initial system setup. Core networking topics are covered in depth, including WAN/LAN configuration, IP addressing, and interface management. Advanced chapters dive into VLANs, DHCP server setup, local DNS configuration, and culminate with creating and managing firewall rules, aliases, and scheduling policies for enhanced security.

By the end of this course, you’ll be able to confidently deploy, configure, and secure networks using OPNsense firewall.

What You Will Learn

  • Understand OPNsense Firewall architecture and setup procedures for robust network security.
  • Configure NAT , port forwarding , and VLAN segmentation to secure and manage network traffic effectively.
  • Implement advanced security features including VPNs , IDS/IPS , and intrusion prevention techniques.
  • Troubleshoot network issues and optimize performance using real-world labs and hands-on case studies.

Program Curriculum

  • Recommended Hardware for Home, SMB, and Enterprise Networks
  • Protectli Vault V1610 – Why It’s a Great Choice?
  • Chapter 1 Quiz

  • Creating Installation Media for DVD or Virtual Machines
  • Creating a Bootable USB for OPNsense Installation
  • Chapter 2 Quiz

  • Installing OPNsense on Protectli Vault V1610
  • Chapter 3 Quiz

  • Installing Proxmox on Protectli for Virtualizing OPNsense
  • Step-by-Step Installation of OPNsense on Proxmox
  • Chapter 4 Quiz

  • OPNsense Web User Interface (WebUI) Overview
  • System Configuration Basics: Initial Setup & Best Practices
  • Configuring WAN & LAN Using the CLI (Command Line Interface)
  • Configuring IP Addresses Using WebUI
  • WAN Gateway Configuration
  • Chapter 5 Quiz

  • Introduction to Network Interfaces in OPNsense
  • WAN & LAN Interfaces: Key Concepts & Configuration
  • How to Assign a New Device to an Interface
  • Creating a Network Bridge in OPNsense
  • GIF (Generic Interface)
  • LAGG (Link Aggregation Group)
  • Loopback Interfaces
  • Point-to-Point Interfaces
  • VLANs (Virtual LANs)
  • Using Interface Diagnostic Tools in OPNsense
  • Understanding Neighbor Discovery & Network Mapping
  • Chapter Overview
  • Chapter 6 Quiz

  • Why VLANs Matter & How to Configure Them?
  • IP Classes: Know the Basics First
  • What is DHCP?
  • Configuring ISC DHCP Server for LAN & VLANs
  • Configure KEA DHCP Server for LAN & Other Interfaces
  • Configuring Local DNS for Local Web Applications or Microservices
  • Chapter 7 Quiz

  • OPNsense Firewall Options Overview
  • The Basics of Firewall Rules
  • Creating First Firewall Rule - Let us Create a Block Rule
  • Creating Alias in OPNsense Firewall
  • Creating Firewall Rule using Alias
  • OPNsense Firewall Schedule
  • Creating Firewall Rule Using Schedule
  • Chapter 8 Quiz
Load more modules

Instructor

Amjid Ali

Amjid Ali is an experienced ICT leader with over 20 years in Networking, Cloud, IT Management, and more. He offers comprehensive Udemy courses, including SEO, e-commerce, and Business Application Development, catering to learners of all levels. Join him to enhance your skills and achieve your goals in technology.

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