What ports can I forward through Cloudflare's DNS proxy?

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Grade: Education Subject: Support
What ports can I forward through Cloudflare's DNS proxy?
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Cloudflare officially supports forwarding ports 80 (HTTP), 443 (HTTPS), and 2083 (cPanel/Webmail). While other ports *might* work, they are not guaranteed and may be blocked by Cloudflare. Using unsupported ports can lead to unpredictable behavior and is generally discouraged.