DST Root CA X3 Expiration (September 2021) - Let’s Encrypt
▻https://letsencrypt.org/docs/dst-root-ca-x3-expiration-september-2021
Modernisation des certificats utilisés par Lets Encrypt : au 30 septembre certains terminaux pas à jour pourraient ne plus fonctionner :
When we got started, that older root certificate (DST Root CA X3) helped us get off the ground and be trusted by almost every device immediately. The newer root certificate (ISRG Root X1) is now widely trusted too - but some older devices won’t ever trust it because they don’t get software updates (for example, an iPhone 4 or an HTC Dream). Click here for a list of which platforms trust ISRG Root X1.
(...si seulement ça pouvait débarrasser l’internet des iPhone 4 et de son Safari moisi !)