📄 2026-04-23-cloudflare-error-1033.md 610 bytes Apr 23, 2026 📋 Raw

title: Cloudflare Error 1033
date: '2026-04-23T02:05:33.938946+00:00'
systems:
- cloudflared
- uvicorn
- systemd
error: Error 1033
resolved: true
tags:
- incident
cost:
time_hours: 2.5
sleep_lost: true

Cloudflare Error 1033

Systems: cloudflared, uvicorn, systemd
Error: Error 1033

Attempts

Attempt 1: Checked uvicorn health

Result: Running but bound to 127.0.0.1

Attempt 2: Added systemd drop-in for 0.0.0.0

Result: Still Error 1033

The Fix

Removed stale override.conf

Reflection

Should have run systemctl cat first

Cost

  • Time: 2.5 hours
  • Sleep: Lost
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