Turns out I was remembering wrong. The A- downgrade was from not supporting forward-secrecy in all reference browsers which is an issue with openssl than the recommended cipher suites.
I think it is impossible to max out the various bars in the bar graph with these configurations (at least up to intermediate), but you can easily get A+ with latest stable nginx and intermediate config.
Comments
Turns out I was remembering wrong. The A- downgrade was from not supporting forward-secrecy in all reference browsers which is an issue with openssl than the recommended cipher suites.
I think it is impossible to max out the various bars in the bar graph with these configurations (at least up to intermediate), but you can easily get A+ with latest stable nginx and intermediate config.