Qualys SSL Server Test is free online service that performs a deep analysis of the configuration of any SSL web server on the public Internet.
To configure Apache and Nginx with acceptable protocols TLS settings follow these guides, they will provide a better score on the above Qualys rating and make your SSL site more secure.
- Guide to Deploying Diffie-Hellman for TLS – https://weakdh.org/sysadmin.html
- Strong Ciphers for Apache, nginx and Lighttpd – https://cipherli.st/
- Hardening Your Web Server’s SSL Ciphers – https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/