Im getting 521 error trying to access my website after adding Full Strict

[arun]

I see that the error code is 521, so you will need to work through the instructions on this link to identify what might be happening. This is ideally something that you will want to solve at your web hosting provider’s end.

Community Tip - Fixing Error 521: Web server is down

Error Try the suggestions in this Community Tip to help you fix Error 521: Web server is down. Background A 521 error happens when we are unable to make a TCP connection to your origin server. Specifically, Cloudflare tried to connect to your origin server on port 80 or 443, but received a connection refused error. This is often caused by security or firewall software and happens if the origin server has directly refused Cloudflare’s proxy request. [Banner in tip catalog] Quick Fix Ideas …