2 posts tagged with "HTTP"

Published on May 13, 2026

A localhost server usually works fine until two services want the same port, a browser shows connection refused, or a framework quietly starts on a number you did not expect. That is where this question becomes practical very quickly: What are the common ports used for localhost servers and their purposes? The short answer is that a few port numbers appear again and again because they match standard protocols, common developer tools, or framework defaults. Once you know the pattern, troubleshooting gets much calmer.

Published on May 12, 2026

If you need a dns url redirect, the first thing to clear up is simple: DNS does not redirect web traffic. DNS only answers with records like A, AAAA, or CNAME. The actual redirect happens on a web server, reverse proxy, or registrar feature sitting in front of the domain.

This is where many setups go slightly sideways. A domain owner points a record and expects example.com to forward to www.example.com or to a new site path, but nothing moves. DNS did its job. It translated the name to an IP. It did not tell the browser to go somewhere else.