Overview

Is Your Home Wi-Fi Actually Secure - Or Just Working? Most people set up their home network once, forget about it, and assume everything is fine. But ""working"" isn't the same as ""secure."" Every smart bulb, security camera, and guest phone on your network is a potential entry point - and without the right controls, one compromised device can expose everything else you own. Lock Down Your Home Network is the hands-on guide that bridges the gap between a basic router setup and real, measurable network security - without requiring an IT degree or enterprise-grade hardware. Author Kellan Stroud cuts through the jargon to deliver practical, step-by-step strategies that any tech-savvy homeowner can implement. You'll learn how to think about your network the way a security professional does: not as a single flat space where every device trusts every other device, but as a series of deliberate, controlled zones - each with its own rules, visibility, and limits. Inside, you'll discover how to: Segment your network with VLANs - Create separate ""rooms"" for your trusted devices, IoT gadgets, guest users, and work equipment so a compromised smart thermostat can never touch your laptop or NAS. Build a deny-by-default firewall - Stop relying on hope. Learn how to block everything by default and open only the specific doors you choose, with rules that are easy to audit and maintain. Take control of device identity - Use DHCP reservations, hostnames, and device inventories so you always know what's on your network - and spot intruders fast. Filter DNS at the network level - Block malicious domains, ad trackers, and unwanted telemetry before they even reach your devices, using lightweight tools you can run locally. Set up monitoring that actually matters - Ditch the noise. Learn which logs to keep, which alerts to trust, and how to build simple dashboards that surface real threats without crying wolf. Handle modern challenges - From MAC address randomization to encrypted DNS bypass attempts, this book covers how modern devices try to evade your controls - and how to stay one step ahead. Secure remote access the right way - Replace dangerous port forwarding with WireGuard or OpenVPN and access your home network safely from anywhere. Protect against firmware and supply chain risks - Understand when to trust a device update, when to be skeptical, and how to reduce exposure from the hardware itself. Each chapter includes practical tests you can run to verify your defenses are actually working - not just configured on paper. You'll find checklists, runbooks, and recovery playbooks so that when something goes wrong, you're responding in minutes, not hours. Whether you're a developer, IT hobbyist, or simply someone who takes their digital privacy seriously, this book gives you the knowledge and tools to turn your home network from a liability into a genuinely hardened, observable, and controllable environment. Your network, under control - starting today.

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