CVSS Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Perfect Forward Secrecy (PFS) is unavailable with the server configuration. If the TLS encryption is broken once, recordings of previous connections are not secure and may be decrypted.
To enable PFS, configure your webserver to only use recent cipher suites that include PFS. See the following wiki article for details: Secure TLS Configuration