A Primer on Proxies

What this post added

This post introduces the concept of forward proxying and details how the HTTP CONNECT method has evolved across HTTP/1.1, HTTP/2, and QUIC/HTTP/3 to establish end-to-end tunnels. It highlights Cloudflare's involvement in standardizing efficient proxy protocols like MASQUE and its application in features like iCloud Private Relay, demonstrating advancements in secure and performant data encapsulation and tunneling.