Fix: readded hardening configuration to external nginx (#98)

Co-authored-by: 0xAnansi <[email protected]>

templates/nginx.conf

@@ -20,6 +20,33 @@ server {
     ssl_certificate /etc/letsencrypt/live/{{domain}}/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/{{domain}}/privkey.pem;
 
+
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_prefer_server_ciphers on;
+    ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
+    ssl_session_timeout  10m;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_tickets on;
+    ssl_stapling on;
+    ssl_stapling_verify on;
+
+    # Hide nginx version
+    server_tokens off;
+
+    # Enable compression for JS/CSS/HTML bundle, for improved client load times.
+    # It might be nice to compress JSON, but leaving that out to protect against potential
+    # compression+encryption information leak attacks like BREACH.
+    gzip on;
+    gzip_types text/css application/javascript image/svg+xml;
+    gzip_vary on;
+
+    # Various content security headers
+    add_header Referrer-Policy "same-origin";
+    add_header X-Content-Type-Options "nosniff";
+    add_header X-Frame-Options "DENY";
+    add_header X-XSS-Protection "1; mode=block";
+
+
     location / {
       proxy_pass http://0.0.0.0:{{lemmy_port}};
       proxy_http_version 1.1;