Proxy Systems: Intermediaries in Network Communication Networks often involve intermediaries that route or manage traffic. This article distinguishes between client-side proxies and server-side rev...

The Cost of Connections Establishing and managing connections comes with inherent costs. This article explores why connections are expensive, how connection pooling mitigates this, different loadin...

Network Address Translation (NAT) Beyond the basics, TCP’s performance can be significantly impacted by various factors and algorithms. This article explores Network Address Translation, connection...

TCP (Transmission Control Protocol) While UDP offers speed and simplicity, TCP provides reliability. This article delves into the details of the Transmission Control Protocol, its connections, str...

Network Protocols: The Language of the Internet Network protocols are the language of the Internet. Let’s look at two fundamental ones: ICMP for diagnostics and UDP for simple, fast transmissions. ...

In today’s interconnected world, understanding network engineering fundamentals is essential for any tech professional. This guide breaks down complex networking concepts into digestible components...

A new parasitic malware targets the popular Nginx web server, Sansec discovered. This novel code injects itself into a host Nginx application and is nearly invisible. The parasite is used to steal ...

Node.js server code const http = require("http"); const WebSocketServer = require("websocket").server const PORT = process.argv[2] || 8080; let connection = null; //create a raw http server (this...

Introduction to WebSockets WebSockets are a communication protocol that provides full-duplex, bi-directional communication channels over a single, long-lived connection between a client (usually a...

stream { upstream allbackend { server 127.0.0.1:2222; server 127.0.0.1:3333; server 127.0.0.1:4444; server 127.0.0.1:5555; } server { ...