A Beginner's Guide to Firewall Rules in OPNsense

Learn how to secure your home network with firewall rules in OPNsense in this 20-minute tutorial. Explore the basics of firewall rule creation, including port-based rules and next-generation firewall capabilities. Discover how to create aliases, understand NAT, and set up specific rules for ping and SSH. Follow along with a hands-on demonstration of creating and testing firewall rules, enabling the SSH server, and validating configurations in real-time. Gain insights into the differences between OPNsense and OpenWrt, and learn why OPNsense is a preferred firewall operating system for network security enthusiasts.

Intro
Firewall Rules in OPNsense
Hardware / Software
Demo
Creating an Alias
NAT Overview
Firewall Rules Overview
Creating Ping Firewall Rule
Creating SSH Firewall Rule
Enabling SSH Server
Testing / Validating Rules in Live View
Closing Notes
Outro