---
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