diff --git a/modules/nixos-modules/server/home-assistant.nix b/modules/nixos-modules/server/home-assistant.nix
index 6eb5682..07dcc03 100644
--- a/modules/nixos-modules/server/home-assistant.nix
+++ b/modules/nixos-modules/server/home-assistant.nix
@@ -74,6 +74,7 @@ in {
           "unifi"
           "openweathermap"
           "ollama"
+          "mobile_app"
         ];
         config = {
           http = {
@@ -83,6 +84,10 @@ in {
             ip_ban_enabled = true;
             login_attempts_threshold = 10;
           };
+          homeassistant = {
+            external_url = "https://home.jan-leila.com";
+            internal_url = "http://192.168.1.2:8123";
+          };
           recorder.db_url = "postgresql://@/${dbUser}";
           "automation manual" = [];
           "automation ui" = "!include automations.yaml";
@@ -97,6 +102,10 @@ in {
 
       # TODO: configure /var/lib/hass/secrets.yaml via sops
 
+      networking.firewall.allowedUDPPorts = [
+        1900
+      ];
+
       systemd.tmpfiles.rules = [
         "f ${config.services.home-assistant.configDir}/automations.yaml 0755 hass hass"
       ];