Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix 'docker network not found' Error on Windows
If you see Error response from daemon: network <name> not found when running D...
Firefox Secure Connection Failed Only on WiFi: Fixes
If Firefox shows a "Secure Connection Failed" error only when you're on WiFi—but the ...
pnpm audit fix not working: common causes and fixes
When you run pnpm audit fix and it fails, you might see messages like "No fixes ...
Fix Windows Update Error 0x800f081f Installation Failed
When you see Windows Update error 0x800f081f with “installation failed,” it usua...
How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...
Issue queue
SitemapCloudflare SSL Full Strict Permission Denied Fix
VS Code Remote Terminal Not Loading on SSH
Fix Docker Pull Access Denied: Authentication Required
Fix Git SSL Certificate Problem: Unable to Get Local Issuer
Resolve Git Merge Conflicts in VS Code: Step-by-Step
How to Fix Git LFS Push Error 403
How to Fix Pip Externally Managed Environment Error
Fix Docker 'No Space Left on Device' Volume Error
How to Resolve Nginx Upstream Connection Refused 443
Resolving Nginx Permission Denied Errors (www-data)
Fix Cloudflare DNS Propagation Taking Too Long
Nginx 302 Redirect Loop Fix
VS Code Remote Terminal Not Loading on SSH
Fix Docker Pull Access Denied: Authentication Required
Fix Git SSL Certificate Problem: Unable to Get Local Issuer
Resolve Git Merge Conflicts in VS Code: Step-by-Step
How to Fix Git LFS Push Error 403
How to Fix Pip Externally Managed Environment Error
Fix Docker 'No Space Left on Device' Volume Error
How to Resolve Nginx Upstream Connection Refused 443
Resolving Nginx Permission Denied Errors (www-data)
Fix Cloudflare DNS Propagation Taking Too Long
Nginx 302 Redirect Loop Fix