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ACME support for SSL certificates



As of March 11 2026 the lifetime of SSL will be halfed/reduced to 200 days, and lifetime will be further reduced to 90 days until 2029. This will require SSL automation for SSL resellers which usually involves ACME protocol and certbot (see https://certbot.eff.org/ ).

As of today, several SSL vendors are already offering SSL automation (including orders) via ACME certbot.

This process involves registering via certbot with the SSL vendor, for example:

certbot.exe register --server https://acme.sslreseller.pl/directory/ --eab-kid z2r7_XC57nZxHvCbyjRk94y866hq12CWPLdU7naHaXXXXXXXXXXXXXXXXXX --eab-hmac-key YjExMjNiNzQ1bgI0NjO0nWU3ZjmWNdZjMzhoOGRiYjhJNjFlMjBjOGXXXXXXXXXXXXXXX

After registration, SSLs may be ordered via certbot/ACME, example:

certbot.exe certonly --manual --key-type rsa --server https://acme.sslreseller.pl/directory/ --preferred-challenges dns-01

How is WHMCS planning to support ACME/certbot integration for SSL resellers?

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