I can't connect to the web. AWS lightsail

[sdayman]

I suggest you first use the “Pause Cloudflare on Site” option from the Overview page of the Cloudflare dashboard, then wait five minutes to take effect.

Once that’s done, make sure your site is working with HTTPS before you un-pause Cloudflare.

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 …