openssl s_client -connect 127.0.0.1:443 -ssl3
grep -r ssl_protocol /etc/nginx
ssl_protocols TLSv1.2 TLSv1.1 TLSv1;
sudo vi /etc/nginx/sites-available/appsite_ssl
openssl s_client -connect 127.0.0.1:443 -ssl3
grep -r ssl_protocol /etc/nginx
ssl_protocols TLSv1.2 TLSv1.1 TLSv1;
sudo vi /etc/nginx/sites-available/appsite_ssl