Is reauthentication always mandatory when renewing?

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1

Is it possible to “reuse” a previous authentication when renewing a certificate, or must you ALWAYS authenticate?

I renew on the same computer which were used when the domain certificate was initially created/retrieved with “certbot certonly --manual…”

I other words, does certbot save some kind of unique key on the computer which Let’s Encrypt can use to ensure that current computer is validated for renewing the domain certificate and therefore authentication (e.g. DNS TXT record) is not necessary?

2

It’s possible to reuse an authorization, but authorizations expire after 30 days.

So, if you renew every 60 days, you must reauthenticate.

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3

OK, just wanna make sure before start playing with scripts.
Thanks for clarify :slight_smile:

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