Assistance Required: wp_remote_post() Failure and Error 520 with Cloudflare

Dear Wordfence Team,

I am encountering an issue with my WordPress site where the wp_remote_post() test back to the server fails. The error message is as follows:

Error Details:

• Error Code: 520 – Web server is returning an unknown error.
• Response: wp_remote_post() test back to this server failed!
• Cloudflare appears to be blocking the connection between the site and itself.

Additional Information:

• The response headers received are:
  • HTTP/1.1 520
  • Server: Cloudflare
  • Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate
  • Content-Type: text/html; charset=UTF-8
• The IPv6 test also fails with:
  • cURL error 7: Failed to connect to [mydomain.com] port 443 after 0 ms: Could not connect to server.

Could you please help me understand:

1. How I can resolve this connectivity issue while ensuring compatibility with Cloudflare?
2. If there are specific configurations or adjustments required in Wordfence to avoid this conflict?

Your guidance in troubleshooting and resolving this issue would be greatly appreciated. Please let me know if you require any further details.

Thank you for your support.

Best regards,
Helani