diff --git a/.gitignore b/.gitignore
index feaf675..c3de0b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 !hosts/enka/
 
 !modules/
+!modules/autofreq/
 !modules/bat/
 !modules/blueman/
 !modules/boot/
diff --git a/hosts/enka/default.nix b/hosts/enka/default.nix
index 675c26d..3c70751 100644
--- a/hosts/enka/default.nix
+++ b/hosts/enka/default.nix
@@ -7,6 +7,10 @@
     description = "NixOS";
     extraGroups = [ "wheel" ];
   };
+
+  networking.firewall = enabled {
+    allowedTCPPorts = [ 8080 ];
+  };
 })
 
 (homeConfiguration {
@@ -16,6 +20,7 @@
 (importModules [
   ./hardware.nix
 
+  "autofreq"
   "bat"
   "blueman"
   "boot"
diff --git a/modules/autofreq/default.nix b/modules/autofreq/default.nix
new file mode 100644
index 0000000..91a3fdc
--- /dev/null
+++ b/modules/autofreq/default.nix
@@ -0,0 +1,5 @@
+{ ulib, ... }: with ulib;
+
+systemConfiguration {
+  services.auto-cpufreq = enabled {};
+}