Network based adblockers are the need of the hour, this talk highlights what's a DNS, how it works and walks through multiple FOSS solutions to host a private DNS + adblock to block ads, add a layer of network security to your home / office. This talk is aimed for an hour, this includes a small intro to FOSS and audience interaction. Take away for participants: Everything to host your own private DNS + adblock as a first step in setting up your homelab.