we host various clients ourselves. But in connection with Cloudflare we get numerous 522 timeout errors on the websites. We have already gone through the entire help article and also checked everything imaginable from our side - with no configuration errors. This means that no IPs are blocked, the rate limiting is off and also the SSL configuration is set to “Full”, since our web server only allows encrypted communication.
The problem occurs domain-independently and on the part of Cloudflare we only use the free variant without special settings, i.e. the default configuration.
Here is another trace:
Has anyone observed something similar and have an idea what else we can check? In the future we would like to provide some clients via Cloudflare, which is not possible like this.