About Let's Encrypt: It is a certificate authority that provides certificates (only domain-validated certificates) for free. (for more info : https://letsencrypt.org/how-it-works/)

With this plugin you are able to create a java key store file (the .JKS file) authorized by the Let's Encrypt certificate authority.

attachments

Domains : Multiple domains should be separated with comma.

Keystore: Set the location of the jks file, and the name also should be specified.

Challenge Path : Must set the WebInterface folder from the CrushFTP install folder.

Cacert Key: Java default system keystore (cacerts) the default password for it - changeit