503 from Hetzner

Hello, I use Cloudflare Tunnel to access my home network.
The system is up and running. I can access it from my LTE connection.

But when I try to do any request from my Hetzner server - I receive 503

May I ask what troubleshooting steps have you tried already from the article below about the 503 error you’re getting with cloudflared tunnel? :thinking:

Due to my curiosity, you’re using a Cloud or a Dedicated one? :thinking:
What kind of a web server are you running? Have you checked server log files?
Is Cloudflare allowed to connect? Is there any firewall template configured and running?

You could determine if this behaviour continues even by using a “Pause” option at Cloudflare as follows:

  1. Use the “Pause Cloudflare on Site” option from the Overview tab for your domain at dash.cloudflare.com .
  2. The link is in the lower right corner of that page.
  3. Give it five minutes to take effect, then make sure site is working as expected with HTTPS.
  4. Re-try with updating.
  5. Upon success, un-pause and continue using Cloudflare.

Before moving to Cloudflare, was your Website working over HTTPS connection?

May I ask what SSL option have you got selected under the SSL/TLS tab at Cloudflare dashboard for your domain ( Flexible, Full, Full Strict … )?

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