: The full certificate chain (your certificate plus intermediate certificates). cert.pem : The server certificate alone. chain.pem : The intermediate certificate(s) alone. 2. Configuration & Metadata

Because "memphislets.7z" likely contains private keys, you should ensure the following:

: The private key for the certificate. Crucial: This must be kept secret.

: A brief note explaining which domain these certificates belong to and their expiration date.