This is a good video. You explained it very well! It would be great if you could make a video to examine http and https traffic using wireshark and let us see the difference. and maybe another security Improvement with Nginx. Keep up the good work!
Good video. A link to show what ciphers to choose for which browser and openssl version would be great. I also like that you include generating the dhparam file. One thing I would love to see also is letsencrypt