diff --git a/webserver/nginx.nix b/webserver/nginx.nix
index 6e925ad..10f13bd 100644
--- a/webserver/nginx.nix
+++ b/webserver/nginx.nix
@@ -1,32 +1,77 @@
-{ pkgs, config, ... }:
+{ pkgs, config, lib, ... }:
 let
   domain = config.services.userdata.domain;
 in
 {
   services.nginx = {
     enable = true;
-    enableReload = true;
     recommendedGzipSettings = true;
     recommendedOptimisation = true;
     recommendedProxySettings = true;
     recommendedTlsSettings = true;
+    sslProtocols = lib.mkForce "TLSv1.2 TLSv1.3";
+    sslCiphers = lib.mkForce "ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:!SHA1:!SHA256:!SHA384:!DSS:!aNULL";
     clientMaxBodySize = "1024m";
+    commonHttpConfig = ''
+      map $scheme $hsts_header {
+          https   "max-age=31536000; includeSubdomains; preload";
+      }
+    '';
 
     virtualHosts = {
       "${domain}" = {
         sslCertificate = "/var/lib/acme/${domain}/fullchain.pem";
         sslCertificateKey = "/var/lib/acme/${domain}/key.pem";
         forceSSL = true;
+        extraConfig = ''
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
+        '';
       };
       "vpn.${domain}" = {
         sslCertificate = "/var/lib/acme/${domain}/fullchain.pem";
         sslCertificateKey = "/var/lib/acme/${domain}/key.pem";
         forceSSL = true;
+        extraConfig = ''
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
+        '';
       };
       "git.${domain}" = {
         sslCertificate = "/var/lib/acme/${domain}/fullchain.pem";
         sslCertificateKey = "/var/lib/acme/${domain}/key.pem";
         forceSSL = true;
+        extraConfig = ''
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
+        '';
         locations = {
           "/" = {
             proxyPass = "http://127.0.0.1:3000";
@@ -37,6 +82,19 @@ in
         sslCertificate = "/var/lib/acme/${domain}/fullchain.pem";
         sslCertificateKey = "/var/lib/acme/${domain}/key.pem";
         forceSSL = true;
+        extraConfig = ''
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
+        '';
         locations = {
           "/" = {
             proxyPass = "http://127.0.0.1:80/";
@@ -50,6 +108,17 @@ in
         root = pkgs.jitsi-meet;
         extraConfig = ''
           ssi on;
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
         '';
         locations = {
           "@root_path" = {
@@ -82,6 +151,19 @@ in
         sslCertificate = "/var/lib/acme/${domain}/fullchain.pem";
         sslCertificateKey = "/var/lib/acme/${domain}/key.pem";
         forceSSL = true;
+        extraConfig = ''
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
+        '';
         locations = {
           "/" = {
             proxyPass = "http://127.0.0.1:8222";
@@ -92,6 +174,19 @@ in
         sslCertificate = "/var/lib/acme/${domain}/fullchain.pem";
         sslCertificateKey = "/var/lib/acme/${domain}/key.pem";
         forceSSL = true;
+        extraConfig = ''
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
+        '';
         locations = {
           "/" = {
             proxyPass = "http://127.0.0.1:5050";
@@ -103,14 +198,24 @@ in
         sslCertificateKey = "/var/lib/acme/${domain}/key.pem";
         root = "/var/www/social.${domain}";
         forceSSL = true;
+        extraConfig = ''
+          limit_conn perip 25;
+          limit_conn perserver 1000;
+          limit_req zone=mylimit burst=35 delay=25;
+          add_header Strict-Transport-Security $hsts_header;
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+          add_header X-Frame-Options DENY;
+          add_header X-Content-Type-Options nosniff;
+          add_header X-XSS-Protection "1; mode=block";
+          proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
+          expires 10m;
+        '';
         locations = {
           "/" = {
             proxyPass = "http://127.0.0.1:4000";
           };
         };
-        extraConfig = ''
-          client_max_body_size 1024m;
-        '';
       };
     };
   };