The localhost connection is refused when the application inside WSL is not running, is listening only on a specific interface instead of all interfaces, or WSL’s localhost forwarding feature is not ...

Git isn't hard to learn, and when you combine Git and GitHub, you've just made the learning process significantly easier. This two-hour Git and GitHub video tutorial shows you how to get started with ...

172.22.0.4 - - [10/Mar/2026:10:20:52 +0900] "GET /manager/text/deploy?path=/session-tutorial-init-thymeleaf-web&war=%2Fopt%2Ftomcat%2Ftomcat%2Fwebapps-war%2Fsession ...

Microsoft confirmed that Windows 11 KB5066835 breaks localhost (127.0.0.1) HTTP/2 connections, which means locally hosted apps can no longer connect to your network, but that’s not the only problem.

Windows updates usually bring security enhancements, bug fixes and new features. Sometimes, though, these updates can also break parts of the operating system. Unfortunately, some updates for ...

Microsoft has fixed a known issue breaking HTTP/2 localhost (127.0.0.1) connections and IIS websites after installing recent Windows security updates. This bug affects both Windows 11 and Windows ...

What just happened? Microsoft continues its tradition of making Windows a little more cumbersome with each monthly patch cycle. Following the October update, Windows 11 admins and developers are ...

The problem first surfaced on Microsoft's own support forums and quickly spread to Stack Overflow and Server Fault after the October 2025 cumulative update (KB5066835) landed, which appears to have ...

If you encounter the Localhost refused to connect error message when running any web server on your local Windows 11/10 computer, then this post is intended to help ...

Principal Engineer. Bridging modern web architecture with LLM capabilities. Open Source veteran. When building CLI tools or desktop applications that integrate with OAuth providers, you face a unique ...