Subdomain 522 error

[ramilh]

I have an issue when I created a new subdomain with aws endpoint. Please help me

[fritex]

Greetings,

Thank you for asking.

@ramilh

a new subdomain with aws endpoint

May I ask what level is the sub-domain, if the sub-domain is like sub.domain.com or rather like www.sub.domain.com?

Before adding a DNS hostname to the DNS tab of Cloudflare dashboard for your domain name, was the particular sub-domain working over HTTPS connection and have had provisioned a valid SSL certificate?

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 … )?

Step 2: Setting up SSL with Cloudflare

This tutorial covers getting SSL working with Cloudflare in various different scenarios. This assumes you already have your website set up on Cloudflare with all your DNS records set to , if not - please visit Step 1. Do you want the website to use HTTPS?

Yes

Do you already have a valid SSL certificate installed on your server (i.e. does it already load over HTTPS with a )? Yes If your website already works over HTTPS, you can just set your SSL mode in Cloudflare to Full (strict)…

Regarding SSL issues with sub-domains:

SSL/TLS not working on subdomain

Please note, this tutorial post contains links to external sites. I am not endorsing any external links. This tutorial post covers the first steps you should take if SSL is working on your main domain, but not on a subdomain. 1. Is there a DNS record for it? Check the DNS app in your Cloudflare dashboard to see if there is a DNS record there for that subdomain. 2. Check that the DNS record is working correctly You can use a tool such as https://dnschecker.org, enter the subdomain.domain.com …

Regarding Cloudflare 522 error, may I suggest you to look into below article to troubleshoot the issue (if already not yet):

Community Tip - Fixing Error 522: Connection timed out

Error Try the suggestions in this Community Tip to help you fix Error 522 “ERR CONNECTION TIMED OUT” in Google Chrome or “The connection has timed out” in Firefox. Background A 522 error happens when a TCP connection to the web server could not be established. This typically happens when Cloudflare requests to the origin (your webserver) get blocked. When this happens, you’ll see “ERR_CONNECTION_TIMED_OUT”. [PRO UP SELL] Quick Fix Ideas Make sure that you’re not blocking Cloudflare IPs i…

[ramilh]

Thank you for your prompt response, but the issue has been resolved already. It’s my mistake I didn’t set up the custom domain, now it’s all ok.