Web server is returning an unknown error 520 after implementing cloudflare!

[user49216]

Hello Cloudflare community, after connection with cloudflare, my website started showing Error 520, I have contacted with the hosting provider but It seems they can’t fix it. Need some help to resolve the problem.

Sincerely
Enes

[neiljay]

@user49216

have contacted with the hosting provider but It seems they can’t fix it

Hosting provider should be helping you in this case. In most cases, issue lies at the origin. It could be various scenarios. Best I suggest you to look at the following Tutorial and get the help from your host.

Community Tip - Fixing Error 520: Web server is returning an unknown error

Error Try the suggestions in this Community Tip to help you fix “Error 520: Web server is returning an unknown error”. Background Error 520 is essentially a catch-all response when something unexpected happens or when the origin server incorrectly interprets or does not tolerate a request due to a protocol violation or an empty response. A 520 error occurs when the connection started on the origin web server, but that the request was not completed. The most common reason why this would occur …

[user49216]

Hello @neiljay, I have also contacted the hosting provider but they told me that by their side is everything ok, I have followed the instruction the link you provided, now is showing different error…
Kind Regards
Enes

[neiljay]

@user49216

now is showing different error…

What’s that? I’m not able to produce any error as of now.