# ## Network Defence at Home - Flat networks should be protected - Gaining more access to the home network - https://www.eff.org/issues/do-not-track ## Why Pi-hole? - Visibility - Telemetry - Privacy - Block ads, trackers and malware domains ### Pi-hole: Under the hood - DNS Caching and Forwarder - dnsmasq - DHCP Server - Blocklists ## Questions? - What is flat networks? - Why Pi-hole does not work with DoH? - How fingerprinting the device works? - Open Resolever? - ECS? EDNS client subnet - Response Policy Zones - DNS Firewalls (search with Unbound)