Web server is down Error code 521 Visit cloudflare.com for more information.

Question

**Web server is down Error code 521**
Visit cloudflare.com for more information.

I use **amazon free tier** account and connect domain by using **cloud flare**

I try to do some steps from YouTube video but not work

*SSL/TLS encryption mode Change **Flexible to Full (strict)**
   *Turn off **DNS Proxy status**
   ***Purge Cache**
But Is not working

Please anyone help me to solve the issue. I cant understand what happened. I am in learning stage on cloud.

![Enter image description here](/media/postImages/original/IMc-S7JG-HRdqwat68_6WpBQ)

Answer

You need to check you can access your webserver directly.

You’ll need to check security groups, target groups, alb, acls , certificates.

Ensure everything is looking up and available.

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