Proxy Error Code: What It Means and How to Fix It
You’re clicking a link, trying to load a crucial webpage for work, or streaming your favorite show when suddenly, your browser grinds to a halt. Instead of the content you expected, you’re greeted by a cold, technical message: "Error 502 Bad Gateway," "407 Proxy Authentication Required," or "504 Gateway Timeout."
These are proxy error codes, and while they can be frustrating, they are not dead ends. They are valuable clues from the internet's behind-the-scenes traffic directors. This article will break down what these errors mean, why they happen, and the steps you can take to resolve them.
These errors are part of the HTTP status code system, specifically in the 4xx (Client Errors) and 5xx (Server Errors) ranges. Here are the most frequent ones you’ll encounter:
