ip port 443 shows unavailable

Hi, I’m here for help with a problem. The ip 443 port parsed by my website domain name on CF is unavailable. It seems to be blocked.
I have two questions. 1 is can I change the ip resolved by CF? , 2 How should I solve this problem of 443 unavailable? Thank you all.

I’m not too sure I understand what problem you’re having. 443 is most definitely not blocked on Cloudflare so if your tests show that’s the case then it’s an issue with your connection to Cloudflare (ISP, firewall, etc) or your origin server.

You can’t change the IP that Cloudflare uses for your site when proxied manually.

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