Posts

Showing posts from September, 2026

Setting up a Firewall for IoT Lab Network

Much of this article was inspired by the following video from NetworkChuck: This New Device is 10x Better Than Your Router I test ethernet capabilities of IoT devices daily. This involves loading firmware that may contain vulnerable code still in development. I needed a way for my Hardware-In-The-Loop (HIL) test equipment to access and talk to these IoT devices (i.e. ssh onto these devices, access web protocols, etc.) without exposing these devices to the internet. Additionally, as I am working out of my home, I also needed to separate my work network from my home network. This meant I needed 3 networks:   IoT devices that should not have internet access. Work and test equipment that need internet access to maintain updates. My home network which mainly uses Wi-Fi. After some searching I found the perfect router. Note this might be overkill for most network but for my purposes it met my needs: CWWK Firewall   This router/bare-metal pc has 4 ethernet ports. While VLANs cou...