Post request don't reach the origin server

Website, Application, Performance
1

What is the name of the domain?

velexinc.com

What is the error number?

522 only for post request

What is the issue you’re encountering

I cannot use any forms because any post request send is returning error 522

What steps have you taken to resolve the issue?

Checked firewall no issues. In Security->Analytics i see that all POST HTTP methods are served by Cloudflare.

2

Strange it timesout. However, why does it need more than 100 seconds to execute.
Is it the .php script? :thinking:

Does the request complete when Cloudflare is temporary Paused? :thinking:

  • Use the “Pause Cloudflare on Site” option from the Overview tab for your domain at dash.cloudflare.com .
  • The link is in the lower right corner of that page.

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 … )? :thinking:

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

Are Cloudflare IP addresses allowed?

3

For context the backend is a Nextjs behid nginx proxy.
Yes the request does reach the backend if I pause Cloudflare.
The SSL option i have selected is Full (strict).
Yes the site was working over HTTPS connection before moving to Cloudflare.
As far as i can see the post requests doesn’t reach the nginx proxy, I don’t have any POST request in the access logs.

Thanks!

4

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