1# This file contains important security parameters. If you modify this file 2# manually, Certbot will be unable to automatically provide future security 3# updates. Instead, Certbot will print and log an error message with a path to 4# the up-to-date file that you will need to refer to when manually updating 5# this file. 6 7ssl_session_cache shared:le_nginx_SSL:10m; 8ssl_session_timeout 1440m; 9ssl_session_tickets off; 10 11ssl_protocols TLSv1.2 TLSv1.3; 12ssl_prefer_server_ciphers off; 13 14ssl_ciphers "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384"; 15