Error 521 with site hosted on Vultr


#1

My main site is hosted in Vultr. When you access the site by IP Address it shows up with no problems. When you access the site via domain name, I get the error 521 from Cloudflare.

I added the Vultr IP to Cloudflare on Friday morning, it should have refreshed by now.

Domain: https://www.pdg-tx.org/
IP: 107.191.44.198

So since I know the site server is running, (nginx) because it responds to the ip connection, then what else can it be causing Cloudflare to think the web server is not active?


#2

It appears Cloudflare is initially responding with a 526 error which indicates an SSL issue. If you have configured Cloudflare to use full strict, but don’t have a valid & trusted cert on the origin that can cause this issue.


#3

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