#http2

Covert Channels in HTTP/2 and QUIC/HTTP/3: The Hidden Bandwidth Inside “Normal” Web Traffic

What if you didn’t need DNS tunneling, custom protocols, or malware C2 domains to exfiltrate data — because the web’s “fast path” protocols…

The Sidecar Bottleneck: Rethinking gRPC Connection Pooling

We’ve all been there. You’re monitoring a downstream service during a sudden traffic spike, and you start seeing latency creep up. Requests…

The HTTP/2 Bomb: How One Byte Takes Down a Server

HTTP/2 bit me again

I previously wrote an article about an issue I faced due to HTTP/2. But it was due to an implementation issue (bug) in OpenJDK. To my…

Beyond REST Part II: The 5% Where Physics Beats Engineering

This article is for the curious minds who finished Part I and asked: “But what happens when even gRPC isn’t enough?”

HTTP/2 Bomb DoS Attack: Memory Exhaustion Threat Explained

HTTP/2 Bomb At A Glance

💣 Understanding the HTTP/2 Bomb: How a Tiny Request Can Melt a Server

Most of us know HTTP vs HTTPS. But what actually happens under the hood when modern protocols try to be clever and fast?

Chrome violates HTTP idempotency?

Idempotency plays an important role in HTTP. There used to be some violation of idempotency rules in 2000s. However, those violations…

HTTP: The Evolution of HTTP

HTTP/1.1 vs HTTP/2 vs HTTP/3 explained from first principles

Beyond REST: Why Modern Kubernetes Clusters are Migrating to gRPC and HTTP/2

If you are building microservices in Kubernetes today and still relying solely on traditional REST over HTTP/1.1 for internal…

Ever Wondered Why Some Sites Feel Instant, and Others Don’t? HTTP/3 Has the Answer

Some sites open before you even realize you clicked. Others make you sit there, watching the tab spin, on the same connection. Most people…

From Click to Response: The Full Life of an HTTPS Request

The HTTP/2 Rabbit Hole: From a Simple Go Server to the Bottom of the Ocean It started out as a simple weekend experiment: I wanted to build…

HTTP/2 vs HTTP/3: qué cambia realmente y cuándo importa de verdad

No es una guerra de versiones, es una cuestión de latencia, estabilidad y contexto

Journey of data packets

When we click a button to send a message to a friend, send money to a merchant, or watch a video on a streaming platform, we are triggering…

Lesson 2: HTTP/2 and HTTP/3 — Multiplexing and QUIC

The first time I looked at a waterfall chart in Chrome DevTools and saw a hundred requests stacking up like rush-hour traffic, I knew…

HTTP/2 — Why The Web Needed To Change

Understanding the Protocol That Powers Modern APIs, Microservices, and the Web

gRPC for Microservices: HTTP/2, Streaming & gRPC-Web Routing

Modern apps rarely live as a single “big program” anymore. Instead, they’re often a constellation of smaller services: one for user…

Some issues with AWS AppRunner that are not widely discussed

AWS AppRunner is marketed as a simple, fully managed service for running containerized web applications. While it significantly reduces…

The Evolution of HTTP: From HTTP/0.9 to HTTP/3

1. HTTP/0.9 — The First Version (1991)

How Browsers and Servers Learned to Talk Better Over Time (The Evolution of HTTP)

HTTP is the language your browser uses to talk to a server.

What is Server Side Event(SSE)?

Server-Sent Events (SSE) is a technology that allows a server to push real-time updates to a web page over a single, long-lived HTTP…

Head of Line blocking was it really solved in Http2 ?

What does it mean that it solves HOL blocking only at Http layer and not TCP? and why was it selected to be this way?

Evolution of sockets (basics of sockets part 2)

We have tried hard to be efficient with the given resources !!

HTTP Request Smuggling ve HTTP/2 Downgrade Attack Zafiyeti

Web uygulamaları ve hizmetleri, kullanıcıların güvenliğini sağlamak ve verilerini korumak amacıyla sürekli olarak evrimleşen güvenlik…

HTTP/2 over TCP (h2c)

仕様が正式に公開されて 8 年以上たっている HTTP/2 の TLS を利用しない HTTP/2 over TCP (h2c) が便利という話を今更ですが雑に書いていこうと思います。

Http, WebSocket

통신 프로토콜이 각각의 통신계층에 어디에 위치하고 해당 데이터들이 어떻게 조립되는지 이해가 점점 명확해면서 나는 굉장히 이 내용을 잘 설명할 줄 알았는데, 제한 된 시간내에 핵심을 아직 추려내는게 쉽지 않았다. 글을 통해서 http…

ALPN (Application-Layer Protocol Negotiation)

Hi, Today We’re planning to know about ALPN!

Analyzing Http/2 with Wireshark

Http/2 is a major revision of http, which is used broadly for web surfing. With new improvements, http/2 is much faster compared to…

That should be Devin, not Ken, no?

How the ALPN Protocol Works and Why You Need It

Old school HTTP is the web crawler industry’s dirty little secret