522 error - trying to host on android phone termux nginx mobile connection with ipv6

[fritex]

Hopefully you have the SSL certificate at your host/origin.

Moreover, regarding the compatible ports (8080 is compatible) you can see the list here:
https://support.cloudflare.com/hc/en-us/articles/200169156-Identifying-network-ports-compatible-with-Cloudflare-s-proxy

Also to note here about firewall, maybe you would need to add Cloudflare IP addresses and allow Cloudflare to connnect to your host/origin server?

Community Tip - Fixing Error 522: Connection timed out

Error Try the suggestions in this Community Tip to help you fix Error 522 “ERR CONNECTION TIMED OUT” in Google Chrome or “The connection has timed out” in Firefox. Background A 522 error happens when a TCP connection to the web server could not be established. This typically happens when Cloudflare requests to the origin (your webserver) get blocked. When this happens, you’ll see “ERR_CONNECTION_TIMED_OUT”. [image] Quick Fix Ideas Make sure that you’re not blocking Cloudflare IPs in .hta…

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

@chris.howard

I disabled the Cloudflare cache and everything is working much better. There is something wrong when I have cache enabled.

You mean you put to for the AAAA records or something other like Page Rules, etc.?