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Before social media back in the 2000’s i know quite a few personal site using home servers using them. And (google google) apparently these days cloudflare offers the service.
No, you misunderstand. You’re thinking of DHCP. The parent poster is talking about CGNAT, where hundreds or thousands of customers of an ISP may share the same public-facing IPv4 address. It’s impossible to self-host anything in this scenario, there no way around it and DDNS won’t help you.
DDNS
Before social media back in the 2000’s i know quite a few personal site using home servers using them. And (google google) apparently these days cloudflare offers the service.
No, you misunderstand. You’re thinking of DHCP. The parent poster is talking about CGNAT, where hundreds or thousands of customers of an ISP may share the same public-facing IPv4 address. It’s impossible to self-host anything in this scenario, there no way around it and DDNS won’t help you.
DDNS won’t save you from your ISP sticking your modem behind a cgnat and blocking critical ports. Which is not an uncommon scenario at all.
There are ways around it, but it’s still not very straightforward. Also often with some significant limitations.