Tag Archive
dns
4 posts found
You’re Debugging DNS in the Wrong Namespace
Network namespaces isolate DNS resolvers from the host. A practical guide to finding which namespace your process lives in, dropping into it, and tracing the ac…
Android 17 Encrypted Client Hello Still Leaves Hostnames on the Wire
Android 17 turns ECH on by default, but RFC 9849 only hides SNI. Outer public names, dedicated origin IPs, and missing HTTPS ech= records still leak the destina…
Self-Hosted DNS-over-HTTPS: A Practical Setup Guide
Set up DNS-over-HTTPS on your own server to encrypt DNS queries and prevent ISP snooping. A five-step guide covering configuration, testing, and hardening.
DNS over HTTPS: Encrypting the Last Mile of Resolution
DNS over HTTPS evolved from a 2018 privacy experiment to 2024's invisible infrastructure. Here's how encrypted DNS reshaped the internet, the politics it ignite…