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Fix Git Authentication Failed in VS Code on Linux - Flush DNS Cache Windows 11 Internet Fix-Nginx 502 Bad Gateway: Connection Refused to localhost

Updated 2026-07-28 17:50:51developer-tools
Fix Git Authentication Failed in VS Code on Linux - Flush DNS Cache Windows 11 Internet Fix-Nginx 502 Bad Gateway: Connection Refused to localhost
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.