An anycast network is two or more servers advertising the same IP address from different locations. This is useful for globally distributed servers, so we user in a specific region are routed to server close to them in that region.

128 bit IPv6 addresses are cute and all, but how about… IPv∞? What happen if you do ping 3.14159264? Why it becomes 3.216.13.160

The goal of this question is to write a FizzBuzz implementation that goes from 1 to infinity (or some arbitrary very very large number), and that implementation should do it as fast as possible.

CSP is tricky and attempt to deploy may lead to error like this: Refused to load the script ‘…’ because it violates the following Content Security Policy directive: “script-src ‘self’ ‘report-sample’”. The 10 tips, learned from years of deploying CSP at scale —  will take you from A to Z with regards to proper deployment of Content-Security-Policy without breaking your website / web application.

Optimize pages with hundreds or thousdand of SVG icons

Teach you about real-world, modern binary exploitation, and a little about processor microarchitecture as well :D You will learn how to exploit a double free vulnerability or exploit a Use After Free vulnerability.

Analysis of Bot Protection systems with available countermeasures 🚿. How to defeat anti-bot system 👻 and get around browser fingerprinting scripts 🕵️‍♂️ when scraping the web?

Why TOAST is the best thing since sliced bread