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this post was submitted on 22 Oct 2026
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Boo, no idea why acme forces these specific ports. Swapping them seems like a pretty basic obfuscation technique that could help a lot to secure any services.
Edit: actually seems like this might be possible with the dns challenge type. I'm gonna test this out later https://github.com/caddy-dns/porkbun
It is, that's what I had meant by token based challenge lol. You need a DNS API key for your manager to do it directly, it flags a DNS record with a token to validate ownership. I was just calling it out from memory, sorry!
Much appreciated stranger. Hopefully now I can stop exposing the two most attacked ports in existence from my LAN XD.