diff --git a/bundles/nginx/files/site_template b/bundles/nginx/files/site_template
index ab755c3..5853cfb 100644
--- a/bundles/nginx/files/site_template
+++ b/bundles/nginx/files/site_template
@@ -19,6 +19,7 @@ server {
     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:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
     ssl_prefer_server_ciphers on;
     ssl_session_cache shared:SSL:10m;
+    ssl_session_tickets off;
 
     add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
 % else:
@@ -33,6 +34,7 @@ server {
     add_header Referrer-Policy same-origin;
     add_header X-Frame-Options "SAMEORIGIN";
     add_header X-Content-Type-Options nosniff;
+    add_header X-XSS-Protection "1; mode=block";
 % endif
 
     location /.well-known/acme-challenge/ {