###Edit this file
/etc/nginx/nginx.conf
###Add this line anywhere inside the http { } block:
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
###Go to your Forge panel and restart Nginx
###Test your box using this site or use your command line
openssl s_client -connect <ip-address>:443 -ssl3
###You should see
no peer certificate available