Action required: Let's Encrypt certificate renewal

Suite à la réception de cet email, j'ai besoin de changer ACME TLS-SNI-01.

Voici l'email:
Hello,

**Action is required to prevent your Let's Encrypt certificate renewals from breaking.**

Your Let’s Encrypt client used ACME TLS-SNI-01 domain validation to issue a certificate in the past 60 days.

TLS-SNI-01 validation is reaching end-of-life and will stop working on **February 13th, 2019.**

You need to update your ACME client to use an alternative validation method (HTTP-01, DNS-01 or TLS-ALPN-01) before this date or your certificate renewals will break and existing certificates will start to expire.

If you need help updating your ACME client, please open a new topic in the Help category of the Let's Encrypt community forum:

[URL visible pour les membres Pro]

Please answer all of the questions in the topic template so we can help you.

For more information about the TLS-SNI-01 end-of-life please see our API announcement:

[URL visible pour les membres Pro]

Thank you,
Let's Encrypt Staff