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Comment by cube00

12 hours ago

> The CA fetches that token over plain HTTPS

The HTTP-01 challenge can only be done on port 80.

https://letsencrypt.org/docs/challenge-types/

1 comment

cube00

Reply

mmsc  10 hours ago

The article was clearly written by an LLM. It would make no sense to use https for a challenge like that, indeed.

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