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No, with Let's Encrypt you would have to have full control over contents of login.wifiprovider.com to get a certificate for that domain. Specifically, you'd hav
by pfg 11y ago
No, with Let's Encrypt you would have to have full control over contents of login.wifiprovider.com to get a certificate for that domain. Specifically, you'd have to be able to serve a token at
http://login.wifiprovider.com/.well-known/acme-challenge/random
Verifying ownership of wifiprovider.com that way would not automatically allow you to get certificates for subdomains too.
- supermatt 11y agoThanks. I was assuming it would work the same as other CAs in that respect. I'm still not sure about this mechanism of verification, but good to know that my example scenario cant exist.