🐛 Unable to establish tunnel connection with an OVH VPS if Edge Network Firewall is enabled about cloudflared HOT 2 CLOSED

Hi,
The issue you are describing seems to be related with the OVH Edge Firewall blocking the requests of cloudflared to Cloudflare API's. There is probably some rule that you need to add to the firewall to allow the traffic to passthrough. Most of the discussions you linked are reaching the same conclusion. Since this isn't a bug with cloudflared I will close the issue. If you discover the solution, feel free to share it with the community.

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If you discover the solution

@jcsf I guess I should clarify. The solution is already known: run cloudflare tunnel with --protocol http2. I'm not interested in opening up more ports on my firewall; that's not great for security, increases my maintenance overhead, and isn't necessary to get a working tunnel anyways.

Based on the docs, it seems like cloudflared defaults to QUIC, but falls back to http2 if QUIC isn't working. This automatic fallback behavior doesn't seem to be working on OVH hosts and I was hoping you could investigate. Thanks

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