Update ssl.conf

nginx/snippets/ssl.conf

@@ -1,4 +1,4 @@
-ssl_session_cache shared:le_nginx_SSL:10m;
+ssl_session_cache shared:SSL:10m;
 ssl_session_timeout 1440m;
 ssl_session_tickets off;
 
@@ -6,4 +6,10 @@ ssl_protocols TLSv1.2 TLSv1.3;
 ssl_prefer_server_ciphers off;
 
 ssl_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";
-ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+
+ssl_stapling on;
+ssl_stapling_verify on;
+resolver 127.0.0.1:53 1.1.1.1:53 1.0.0.1:53 '[2606:4700:4700::1111]:53' '[2606:4700:4700::1001]:53' valid=300s;
+resolver_timeout 30s;
+
+add_header Strict-Transport-Security "max-age=31536000";