Useful articles about proxies

There's a persistent misconception that keeps popping up in developer chats, among payment system integrators, and among those encountering ...

An engineer used to working with regular servers comes to Kubernetes and does what they've always done: exports HTTP_PROXY into the environm...

Picture this: yesterday your scraper through a proxy worked flawlessly, logs clean, metrics green. This morning you open the dashboard and s...

Picture a typical morning for an on-call engineer. A message lands in the chat: "Everything is slow." What exactly is slow? The wh...

If you've ever launched a big data export, you know the feeling. The process ran for hours, hit ninety percent, and then broke. The connecti...

The same proxy server is often handed to a client in two modes: as an HTTP proxy and as SOCKS5. Many people dismiss this as a marketing gimm...

Client logs are wonderful right up until the moment they actually show you something. But one day you hit a wall: the app spits out a laconi...

Working through a proxy almost always comes down to one question: how many parallel requests can the chain of “your client - proxy - target ...

One header in an HTTP request can slash the amount of data you download by several times. We're talking about negotiating compression betwee...

This guide covers a simple yet important engineering task: seeing your own website or a publicly available resource the way a user from anot...

You send a POST request with a body and an authorization header, and the server receives an empty GET with no custom headers whatsoever. Sou...

Proxy credentials end up in public build logs more often than you'd think. One careless curl -v, one variable in plain sight, one password i...

When you pay for every transferred gigabyte, traffic stops being something abstract and turns into real money. One careless script that pull...

You’ve probably been there: the script is running, you log into a site, add an item to the cart, and then the IP changes — and suddenly the ...

Automatic proxy configuration via a PAC file is a way to teach your browser and system to decide on their own which traffic to send through ...

Picture a scenario that stumps even experienced engineers. You open a website directly in your browser and see a proud h2 in the developer p...

A proxy chain is not magic or a one-size-fits-all tool. It's an engineering routing technique that solves very specific problems and creates...

Sound familiar? REST requests through a corporate or cloud proxy fly by without a hitch, but as soon as you open a WebSocket or call a gRPC ...

Imagine this: you set up a single proxy server and visit two different websites through it. The first one cheerfully tells you: your real IP...

Imagine: you open a terminal, type a package install command, and get silence or a connection error. Often the reason is that network access...

Picture this. It's Friday evening, your parser or account management system is finally live. The first few minutes go smoothly. Then things ...

Imagine this: you wrote a client that makes requests to a website, and everything works. Then suddenly errors start piling up, workers hang,...

Picture this. You've connected a proxy from the right region, checked your IP address — everything is correct, the city and country match. B...

Familiar situation: you set up a proxy, your browser opens websites, your scraper collects data, everything looks perfect. Then you start a ...