A brief discussion on the principles and defense of DDoS attacks using JavaScript_javascript skills

Distributed Denial of Service (DDoS) attack is one of the oldest and most common attacks against websites. Nick Sullivan is a systems engineer at CloudFlare, a provider of website acceleration and security services. Recently, he wrote an article introducing how attackers use malicious websites, server hijacking and man-in-the-middle attacks to launch DDoS attacks, and explained how to use HTTPS and the upcoming technology called "Subresource Integrity (Subresource Integrity)" SRI)' new web technology protects websites from attacks.

Most interactions on modern websites come from JavaScript. Websites implement interactive functionality by adding JavaScript code directly to HTML or loading JavaScript from a remote location through the HTML element