CSProject: trace a real request end to endUse dig, curl -v, and openssl s_client to trace a real HTTPS request through every layer this series covered: DNS, TCP, TLS, and the HTTP exchange.Aug 29, 2026·6 min
CSDNS: how names become addressesHow DNS resolves a domain name to an IP address, step by step: stub resolvers, recursive resolvers, root servers, and why caching makes the second lookup free.Aug 25, 2026·6 min
CSIP addresses and packets: how data finds youWhat an IP address actually is, why data travels in packets instead of one stream, and how routers pass them along. The layer under DNS and TCP.Aug 24, 2026·7 min
CSWhat happens when you type a URL and hit enterThe full journey from keystroke to rendered page: DNS, TCP, TLS, HTTP, and rendering. The map this whole networking series fills in, piece by piece.Aug 24, 2026·7 min
DevOpsDocker Environment Variables and NetworkingConfigure containers with environment variables, and let them talk to each other: Docker networks, container DNS by name, and connecting an app to a database.Aug 9, 2026·7 min