Zero fluff engineering Beginner-friendly tech blogs and engineering blogs: networking, security, systems, and protocols—fluff-free engineering writing you can actually use. 2026-05-16T00:00:00.000Z https://blog.arjunshaji.me/ Arjun Shaji The Engineering Behind TLS 2026-05-16T00:00:00.000Z https://blog.arjunshaji.me/posts/the-engineering-behind-tls/ The Engineering Behind TLS — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. The Secret Life of API Keys 2026-04-16T00:00:00.000Z https://blog.arjunshaji.me/posts/api-key/ The Secret Life of API Keys — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. TLS Encrypted Client Hello (ECH) 2026-03-10T00:00:00.000Z https://blog.arjunshaji.me/posts/encrypted-client-hello/ TLS Encrypted Client Hello (ECH) — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. The Hidden Costs of Concurrency in RDBMS 2026-01-29T00:00:00.000Z https://blog.arjunshaji.me/posts/the-hidden-database-cost/ The Hidden Costs of Concurrency in RDBMS — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Docker Logs Can Fill Your Disk if You Ignore This Setting 2025-12-26T00:00:00.000Z https://blog.arjunshaji.me/posts/docker-logs/ Docker Logs Can Fill Your Disk if You Ignore This Setting — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. New HTTP request method named QUERY 2025-11-30T00:00:00.000Z https://blog.arjunshaji.me/posts/http-method-query/ New HTTP request method named QUERY — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. BGP - The Guy Who Knows Every Shortcut on the Internet 2025-10-30T00:00:00.000Z https://blog.arjunshaji.me/posts/border-gateway-protocol/ BGP - The Guy Who Knows Every Shortcut on the Internet — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Why google.com and www.google.com aren’t exactly the same 2025-10-24T00:00:00.000Z https://blog.arjunshaji.me/posts/world-wide-web/ Why google.com and www.google.com aren’t exactly the same — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Why Network Ports can only use values from 1–65535, Why Not 9999999 or a Random Number? 2025-10-19T00:00:00.000Z https://blog.arjunshaji.me/posts/network-ports/ Why Network Ports can only use values from 1–65535, Why Not 9999999 or a Random Number? — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. ‘S’ in HTTPS doesn’t mean the site is safe/secure! 2025-10-16T00:00:00.000Z https://blog.arjunshaji.me/posts/https-is-not-safe/ ‘S’ in HTTPS doesn’t mean the site is safe/secure! — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Your Internet just got faster, How BBR Powers Google, YouTube, Spotify, Netflix... 2025-10-13T00:00:00.000Z https://blog.arjunshaji.me/posts/internet-just-got-faster/ Your Internet just got faster, How BBR Powers Google, YouTube, Spotify, Netflix... — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Split Brain - When Servers Forget to Talk 2025-10-11T00:00:00.000Z https://blog.arjunshaji.me/posts/split-brain/ Split Brain - When Servers Forget to Talk — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Audio over IP ≠ Video over IP 2025-10-09T00:00:00.000Z https://blog.arjunshaji.me/posts/audio-video-over-ip/ Audio over IP ≠ Video over IP — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. What is HSTS? Is the first visit insecure? 2025-10-06T00:00:00.000Z https://blog.arjunshaji.me/posts/is-first-visit-is-insecure/ What is HSTS? Is the first visit insecure? — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Why Do Most Private IP Addresses Start with 192.168.Xxx.Xxx? 2025-09-28T00:00:00.000Z https://blog.arjunshaji.me/posts/private-ip-address/ Why Do Most Private IP Addresses Start with 192.168.Xxx.Xxx? — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. TCP vs UDP - What Most People Don’t Know 2025-09-24T00:00:00.000Z https://blog.arjunshaji.me/posts/tcp-vs-udp/ TCP vs UDP - What Most People Don’t Know — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Only 13 root servers run the internet? Here’s how billions still get served! 2025-09-22T00:00:00.000Z https://blog.arjunshaji.me/posts/only-13-root-servers/ Only 13 root servers run the internet? Here’s how billions still get served! — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Why network byte order matters in real-world networking 2025-09-20T00:00:00.000Z https://blog.arjunshaji.me/posts/network-byte-order/ Why network byte order matters in real-world networking — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. DNS Not Just UDP 2025-09-01T00:00:00.000Z https://blog.arjunshaji.me/posts/dns-not-just-udp/ DNS Not Just UDP — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. We Engineers love to build stuff/things from Scratch! 2025-04-15T00:00:00.000Z https://blog.arjunshaji.me/posts/love-to-build-things/ We Engineers love to build stuff/things from Scratch! — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. The Art of Coding - Think First, Code Second 2025-01-10T00:00:00.000Z https://blog.arjunshaji.me/posts/art-of-coding/ The Art of Coding - Think First, Code Second — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff. Don't be bottleneck, Share your knowledge! 2024-12-10T00:00:00.000Z https://blog.arjunshaji.me/posts/dont-be-bottleneck/ Don't be bottleneck, Share your knowledge! — On Zero fluff engineering, a beginner-friendly engineering blog with zero fluff.