Directadmin and Cloudflare - Error 520: Web server is returning an unknown error

Cheerag Nundlall · Sep 4, 2021

I am getting this error Error 520: Web server is returning an unknown error randomly after click or visit some web pages, if I disable Cloudflare then no error but I don't want to disable cloudlafre because I am using SSL from Clouflare. I read some topics. Does anyone have same problem, which to fix this error?

fwh · Sep 5, 2021

Honestly I got this error for a few websites that running directadmin and using Clouflare, you can fix it by using 2 these steps

- Disable proxy in DNS tab in Cloudflare

- Using Free & automatic certificate from Let's Encrypt in Directadmin control panel

After filled some information for Let's Encrypt, save it and Done!

You can refresh hundreds or thousands of your webpages without getting this error again.

If you still want to use Use the server's certificate (SSL) in Directadmin and Cloudflare DNS then let wait them for their fix.

Hope that helps!

Dr. McKay · Sep 9, 2021

I see this error happened with cPanel and Cloudflare but it is rare, about 200 page visits you got once for this error.

David Beroff · Sep 29, 2021

I have same problem but I can not disable cloudflare dns. Does anyone know how to solve this problem without disable cloudflare dns?

Directadmin and Cloudflare - Error 520: Web server is returning an unknown error

Cheerag Nundlall

Well-known member

fwh

Administrator

Cheerag Nundlall

Well-known member

Dr. McKay

Well-known member

David Beroff

Well-known member

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