diff --git a/base.nix b/base.nix
index 1c41ba0..19336eb 100644
--- a/base.nix
+++ b/base.nix
@@ -88,17 +88,44 @@
 
   systemd.services.nginx.after = [ "generate-snakeoil-certs.service" ];
 
-  environment.snakeoil-certs = lib.mkIf (config.services.nginx.enable) {
+  environment.snakeoil-certs = lib.mkIf config.services.nginx.enable {
     "/etc/certs/nginx" = {
       owner = "nginx";
       group = "nginx";
     };
   };
 
-  services.nginx.virtualHosts."_" = lib.mkIf (config.services.nginx.enable) {
+  services.nginx.virtualHosts."_" = lib.mkIf config.services.nginx.enable {
     sslCertificate = "/etc/certs/nginx.crt";
     sslCertificateKey = "/etc/certs/nginx.key";
     addSSL = true;
     extraConfig = "return 444;";
+
+    recommendedTlsSettings = true;
+    recommendedProxySettings = true;
+    recommendedOptimisation = true;
+    recommendedGzipSettings = true;
+
+    config = ''
+      pcre_jit on;
+      worker_processes auto;
+      worker_rlimit_nofile 100000;
+    '';
+    eventsConfig = ''
+      worker_connections 2048;
+      use epoll;
+      multi_accept on;
+    '';
+  };
+
+  systemd.services.nginx.serviceConfig = {
+    LimitNOFILE = 65536;
+  };
+
+  networking.firewall.allowedTCPPorts = lib.mkIf config.services.nginx.enable [ 80 443 ];
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "drift@pvv.ntnu.no";
   };
 }
diff --git a/hosts/bekkalokk/services/gitea/default.nix b/hosts/bekkalokk/services/gitea/default.nix
index e79f30b..fe51e65 100644
--- a/hosts/bekkalokk/services/gitea/default.nix
+++ b/hosts/bekkalokk/services/gitea/default.nix
@@ -59,9 +59,9 @@ in {
   services.nginx.virtualHosts."${domain}" = {
     forceSSL = true;
     enableACME = true;
+    kTLS = true;
     locations."/" = {
       proxyPass = "http://unix:${cfg.settings.server.HTTP_ADDR}";
-      recommendedProxySettings = true;
       extraConfig = ''
         client_max_body_size 512M;
       '';
diff --git a/hosts/bekkalokk/services/idp-simplesamlphp/default.nix b/hosts/bekkalokk/services/idp-simplesamlphp/default.nix
index 0e6fd59..28e7063 100644
--- a/hosts/bekkalokk/services/idp-simplesamlphp/default.nix
+++ b/hosts/bekkalokk/services/idp-simplesamlphp/default.nix
@@ -180,6 +180,7 @@ in
     services.nginx.virtualHosts."idp2.pvv.ntnu.no" = {
       forceSSL = true;
       enableACME = true;
+      kTLS = true;
       root = "${package}/share/php/simplesamlphp/public";
       locations =  {
         # based on https://simplesamlphp.org/docs/stable/simplesamlphp-install.html#configuring-nginx
diff --git a/hosts/bekkalokk/services/mediawiki/default.nix b/hosts/bekkalokk/services/mediawiki/default.nix
index 1cdda56..ab64311 100644
--- a/hosts/bekkalokk/services/mediawiki/default.nix
+++ b/hosts/bekkalokk/services/mediawiki/default.nix
@@ -152,6 +152,7 @@ in {
   users.groups.mediawiki.members = [ "nginx" ];
 
   services.nginx.virtualHosts."wiki.pvv.ntnu.no" = {
+    kTLS = true;
     forceSSL = true;
     enableACME = true;
     locations =  {
diff --git a/hosts/bekkalokk/services/nginx/default.nix b/hosts/bekkalokk/services/nginx/default.nix
index a1a2253..0ff747d 100644
--- a/hosts/bekkalokk/services/nginx/default.nix
+++ b/hosts/bekkalokk/services/nginx/default.nix
@@ -4,19 +4,5 @@
     ./ingress.nix
   ];
 
-  security.acme = {
-    acceptTerms = true;
-    defaults.email = "drift@pvv.ntnu.no";
-  };
-
-  services.nginx = {
-    enable = true;
-
-    recommendedTlsSettings = true;
-    recommendedProxySettings = true;
-    recommendedOptimisation = true;
-    recommendedGzipSettings = true;
-  };
-
-  networking.firewall.allowedTCPPorts = [ 80 443 ];
+  services.nginx.enable = true;
 }
diff --git a/hosts/bekkalokk/services/nginx/ingress.nix b/hosts/bekkalokk/services/nginx/ingress.nix
index 2950846..3b48ca0 100644
--- a/hosts/bekkalokk/services/nginx/ingress.nix
+++ b/hosts/bekkalokk/services/nginx/ingress.nix
@@ -5,6 +5,7 @@
       serverAliases = [ "www2.pvv.org" "pvv.ntnu.no" "pvv.org" ];
       addSSL = true;
       enableACME = true;
+      kTLS = true;
 
       locations = {
         # Proxy home directories
diff --git a/hosts/bekkalokk/services/webmail/default.nix b/hosts/bekkalokk/services/webmail/default.nix
index e61ad00..752d00a 100644
--- a/hosts/bekkalokk/services/webmail/default.nix
+++ b/hosts/bekkalokk/services/webmail/default.nix
@@ -7,7 +7,7 @@
   services.nginx.virtualHosts."webmail2.pvv.ntnu.no" = {
     forceSSL = true;
     enableACME = true;
-    #locations."/" = lib.mkForce { };
+    kTLS = true;
     locations."= /" = {
       return = "301 https://www.pvv.ntnu.no/mail/";
     };
diff --git a/hosts/bekkalokk/services/webmail/roundcube.nix b/hosts/bekkalokk/services/webmail/roundcube.nix
index c47caae..ef157ac 100644
--- a/hosts/bekkalokk/services/webmail/roundcube.nix
+++ b/hosts/bekkalokk/services/webmail/roundcube.nix
@@ -35,6 +35,7 @@ in
   services.nginx.virtualHosts."roundcubeplaceholder.example.com" = lib.mkForce { };
 
   services.nginx.virtualHosts.${domain} = {
+    kTLS = true;
     locations."/roundcube" = {
       tryFiles = "$uri $uri/ =404";
       index = "index.php";
diff --git a/hosts/bicep/services/matrix/element.nix b/hosts/bicep/services/matrix/element.nix
index 1f6452a..5963148 100644
--- a/hosts/bicep/services/matrix/element.nix
+++ b/hosts/bicep/services/matrix/element.nix
@@ -5,6 +5,7 @@ in {
   services.nginx.virtualHosts."chat.pvv.ntnu.no" = {
     enableACME = true;
     forceSSL = true;
+    kTLS = true;
 
     root = pkgs.element-web.override {
       conf = {
diff --git a/hosts/bicep/services/matrix/synapse.nix b/hosts/bicep/services/matrix/synapse.nix
index 2b0d160..bcdb850 100644
--- a/hosts/bicep/services/matrix/synapse.nix
+++ b/hosts/bicep/services/matrix/synapse.nix
@@ -217,6 +217,9 @@ in {
   services.redis.servers."".enable = true;
   
   services.nginx.virtualHosts."matrix.pvv.ntnu.no" = lib.mkMerge [
+  ({
+    kTLS = true;
+  })
   ({
     locations."/.well-known/matrix/server" = {
       return = ''
diff --git a/hosts/bicep/services/nginx/default.nix b/hosts/bicep/services/nginx/default.nix
index 4eb1e03..78786fa 100644
--- a/hosts/bicep/services/nginx/default.nix
+++ b/hosts/bicep/services/nginx/default.nix
@@ -1,15 +1,8 @@
 { config, values, ... }:
 {
-  security.acme = {
-    acceptTerms = true;
-    defaults.email = "danio@pvv.ntnu.no";
-  };
-
   services.nginx = {
     enable = true;
-
     enableReload = true;
-
     defaultListenAddresses = [
       values.hosts.bicep.ipv4
       "[${values.hosts.bicep.ipv6}]"
@@ -20,7 +13,6 @@
     ];
 
     appendConfig = ''
-      pcre_jit on;
       worker_processes 8;
       worker_rlimit_nofile 8192;
     '';
@@ -29,17 +21,5 @@
       multi_accept on;
       worker_connections 4096;
     '';
-
-    recommendedProxySettings = true;
-    recommendedTlsSettings = true;
-    recommendedGzipSettings = true;
-    recommendedBrotliSettings = true;
-    recommendedOptimisation = true;
-  };
-
-  networking.firewall.allowedTCPPorts = [ 80 443 ];
-
-  systemd.services.nginx.serviceConfig = {
-    LimitNOFILE = 65536;
   };
 }
diff --git a/hosts/ildkule/services/metrics/grafana.nix b/hosts/ildkule/services/metrics/grafana.nix
index a2d2424..ca62f04 100644
--- a/hosts/ildkule/services/metrics/grafana.nix
+++ b/hosts/ildkule/services/metrics/grafana.nix
@@ -91,6 +91,7 @@ in {
   services.nginx.virtualHosts.${cfg.settings.server.domain} = {
     enableACME = true;
     forceSSL = true;
+    kTLS = true;
     locations = {
       "/" = {
         proxyPass = "http://127.0.0.1:${toString cfg.settings.server.http_port}";
diff --git a/hosts/ildkule/services/nginx/default.nix b/hosts/ildkule/services/nginx/default.nix
index 90954a1..c9e8f70 100644
--- a/hosts/ildkule/services/nginx/default.nix
+++ b/hosts/ildkule/services/nginx/default.nix
@@ -1,15 +1,8 @@
 { config, values, ... }:
 {
-  security.acme = {
-    acceptTerms = true;
-    defaults.email = "drift@pvv.ntnu.no";
-  };
-
   services.nginx = {
     enable = true;
-
     enableReload = true;
-
     defaultListenAddresses = [
       values.hosts.ildkule.ipv4
       "[${values.hosts.ildkule.ipv6}]"
@@ -18,12 +11,5 @@
       "127.0.0.2"
       "[::1]"
     ];
-
-    recommendedProxySettings = true;
-    recommendedTlsSettings = true;
-    recommendedGzipSettings = true;
-    recommendedOptimisation = true;
   };
-
-  networking.firewall.allowedTCPPorts = [ 80 443 ];
 }
diff --git a/modules/grzegorz.nix b/modules/grzegorz.nix
index 0bd9b74..6c0600b 100644
--- a/modules/grzegorz.nix
+++ b/modules/grzegorz.nix
@@ -24,15 +24,12 @@ in {
   services.grzegorz-webui.hostName = "${config.networking.fqdn}";
   services.grzegorz-webui.apiBase = "http://${toString grg.listenAddr}:${toString grg.listenPort}/api";
 
-  security.acme.acceptTerms = true;
-  security.acme.defaults.email = "pederbs@pvv.ntnu.no";
-
   services.nginx.enable = true;
-  networking.firewall.allowedTCPPorts = [ 80 443 ];
 
   services.nginx.virtualHosts."${config.networking.fqdn}" = {
     forceSSL = true;
     enableACME = true;
+    kTLS = true;
     serverAliases = [
       "${config.networking.hostName}.pvv.org"
     ];