Unifi Cloud Gateway WAN2 Failover Setup

Here is a complete, step-by-step guide for setting up a dual-WAN failover on a UniFi Cloud Gateway (UCG) Max or Ultra network controller!

Your Router Might Be Lying to You:
The Quiet Rise of DNS Hijacking

Over the last six months, I've been seeing more and more DNS hijack infections on routers, switches, and servers. It's a genuinely clever tactic, and it's worth understanding why: the attacker only needs to briefly gain access and very lightly maintain it. Once they've rerouted your DNS to a server they control, they can quietly sit in the middle of your traffic and analyze your traffic packets, harvest credentials, the works.

This isn't theoretical, and it isn't rare. 

My own server and three customer servers have been hit by this class of attack in the last 3 months. I'm writing this to bring some attention to what's going on, explain how these attacks actually work, and (most importantly) show you how to defend your equipment and check whether it's already been hit, without needing to be a network engineer.

Cybersecurity & IT/Networking Apps - iOS

Cybersecurity, Networking & IT Related Apps; That I Actually Use (*For iOS)

I recently put together a list of the Android apps that have actually earned a spot on my phone after 20+ years running Pacific Northwest Computers. I got enough questions about "what about iPhone?" that it's worth doing a proper companion piece.

OPNsense Installation Guide

 

OPNsense Installation Guide (ISO)

If you're looking to take control of your network with enterprise-grade tools, installing OPNsense is a powerful first step. Whether you're setting up a home lab, securing a small business network, or just want better visibility and filtering, this guide walks you through the full installation process; from hardware prep to post-install configuration. With just a few components and a bit of time, you’ll be ready to deploy a firewall and DNS solution that rivals commercial offerings.