listen 443 ssl;
ssl on;
ssl_certificate /usr/local/nginx/conf/ssl/www.abc.com.crt;
ssl_certificate_key /usr/local/nginx/conf/ssl/www.abc.com.key;
ssl_session_timeout 5m;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers AESGCM:ALL:!DH:!EXPORT:!RC4:+HIGH:!MEDIUM:!LOW:!aNULL:!eNULL;
ssl_prefer_server_ciphers on;