Fixing Error 522 / Connection timed out — Closed afaik

I am sorry to hear that, but that seems to me as a great potential of a WordPress DDoS attack someone tried :slight_smile:

I would strongly recommend to create a Firewall Rule to block each URI request which contains xmlrpc.php - of course, if you do not use it (or any other plugin).

Furthermore, there are some more suggestions how to protect WordPress website using Cloudflare :wink:

Therefore, some Firewall Tips are published here:

Depending on the attack type, if user-agents, crawlers, etc., there are few I would recommend to add to your Firewall Rules , like the posted here:

Using the search :search: :

May I suggest looking into below articles (if not already) due to the specified issue of 522 timeout:

https://support.cloudflare.com/hc/en-us/articles/115003011431-Troubleshooting-Cloudflare-5XX-errors#522error

How about checking if Cloudflare is allowed to connect to your new VPS, in case any firewall settings/configuration changed?

Kindly can you re-check if Cloudflare is allowed to connect to your origin host to as follows in the below article:
https://support.cloudflare.com/hc/en-us/articles/201897700-Allowing-Cloudflare-IP-addresses

Nevertheless, Cloudflare IP addresses list can be found here:

In case you saw Cloudflare IP addresses in your log files, I would recommend below article to restore the original visitor IP address as follows:
https://support.cloudflare.com/hc/en-us/articles/200170786-Restoring-original-visitor-IPs