Ports such as 23333 cannot be accessed when CDN is enabled

Website, Application, Performance DNS & Network
1

What is the name of the domain?

‘小小只suki.cn’

What is the error message?

timeout

What is the issue you’re encountering

Services deployed on non-standard ports cannot be accessed via CDN.

What steps have you taken to resolve the issue?

Temporarily disable CDN functionality on the www subdomain.

What feature, service or problem is this related to?

DNS records

What are the steps to reproduce the issue?

Cloudflare’s default non-standard port allowance does not meet my deployment needs, as approximately 20 ports are required for service exposure through the CDN infrastructure.

2

You’d have to use a higher paid plan type and Cloudflare Spectrum if you need the access over the proxied :orange: hostname and edge port e.g. example.com:23333:

If it’s HTTP(S) related service, try to switch the port to some other supported and compatible with Cloudflare proxy :orange: as follows on the list from below article:

Nevertheless, you can setup a cloudflared tunnel in such case:

Otherwise, you can unproxy :grey: (DNS-only) and it would continue to work normally.

3

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