Error 1033
Error 1033 Argo Tunnel Error Error
What This Error Means
Error 1033 indicates that the Cloudflare Argo Tunnel (now Cloudflare Tunnel) has failed. The cloudflared daemon on the origin server is not running or cannot connect to Cloudflare's edge.
Common Causes
- The cloudflared process on the server has crashed or stopped.
- Network firewall blocking the tunnel connection.
- Misconfigured tunnel credentials.
- Server rebooted and tunnel didn't auto-start.
How to Fix It (For Users)
- 1 Notify the site owner.
- 2 Try again later.
For Site Owners / Developers
- Restart the cloudflared service on your server.
- Check the cloudflared logs for connection errors.
- Ensure your server has outbound internet access.
When It Is NOT Your Fault
If Cloudflare's tunnel infrastructure is experiencing an outage.
Check if this outage affects everyone globally
This error often indicates a wider problem. Use our tool to verify if the site is down for everyone.
Check Website Status →Recommended Tool to Prevent This Error
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