lego

LEGO

  • Canonical Telco
Channel Revision Published Runs on
4/stable 34 14 Feb 2025
Ubuntu 22.04
4/candidate 34 14 Feb 2025
Ubuntu 22.04
4/beta 34 23 Jan 2025
Ubuntu 22.04
4/edge 59 07 Apr 2025
Ubuntu 22.04
4/edge 58 07 Apr 2025
Ubuntu 22.04
juju deploy lego --channel 4/stable
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Platform:

Ubuntu
22.04

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The ACME DNS-01 Challenge

The DNS-01 Challenge is utilised by the ACME Certificate Authorities like Let’s Encrypt so the users can prove that they control the DNS of the Domain Name they are requesting the certificate for.

It does that by asking the user to put a specific value in a TXT record under that domain name. The ACME client will get a token from the server and create a TXT record derived from that token and place it at _acme_challenge.<Domain Name>, then the ACME server will query the DNS system for that record.

Read more about the DNS-01 challenge here.

Help improve this document in the forum (guidelines). Last updated 1 year, 16 days ago.