Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Nginx Upstream Connection Refused & Upstream Not Found
When you see upstream connection refused or upstream not found in your ...
Fix Docker Pull Access Denied Due to Token Expiration
You try to pull an image from a private registry and get access denied or toke...
Fix Nginx Configuration Test Failure After Adding Proxy Pass
You add a proxy_pass directive to an Nginx server block, run nginx -t, ...
Fix VS Code Terminal Not Opening on Windows 10
When you press Ctrl+` or click the Terminal panel in VS Code and nothing happens, it's usuall...
Fix Docker Volume Permission Denied Errors
When you mount a host directory into a container, you may see errors like Permission denied...
Issue queue
SitemapHow to Fix Docker Compose Port Binding Issues
TypeScript Compilation Error Fix for npm Build
Fix Chrome Startup Crash After Reset
Windows 11 Update Stuck at 0%: Manual Download Steps
How to Fix Nginx Redirect Loop Errors
Fix Windows 11 Update Stuck at 0% with Low Disk Space
Git Reinstall Broke VS Code Source Control
How to Fix node-sass Failed to Build on Mac
Fix Windows Update Error 0x80070005
Fix net::ERR_CERT_AUTHORITY_INVALID in Chrome on Android
Windows 11 Assistant Stuck at 99% Fixes
Fix Windows Update Service Stopped Error
TypeScript Compilation Error Fix for npm Build
Fix Chrome Startup Crash After Reset
Windows 11 Update Stuck at 0%: Manual Download Steps
How to Fix Nginx Redirect Loop Errors
Fix Windows 11 Update Stuck at 0% with Low Disk Space
Git Reinstall Broke VS Code Source Control
How to Fix node-sass Failed to Build on Mac
Fix Windows Update Error 0x80070005
Fix net::ERR_CERT_AUTHORITY_INVALID in Chrome on Android
Windows 11 Assistant Stuck at 99% Fixes
Fix Windows Update Service Stopped Error