diff --git a/src/server/index.ts b/src/server/index.ts
index e584283..bf70709 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -5,6 +5,12 @@ import { clientEntry } from "./routes/client-entry";
 
 const app = new Hono();
 
+// Allow all hosts for Tailscale Funnel
+app.use("*", async (c, next) => {
+  // Accept requests from any host
+  return next();
+});
+
 app.route("/rpc", rpcApp);
 app.get("/*", clientEntry);
 
diff --git a/vite.config.ts b/vite.config.ts
index 553d3f4..d866a15 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -16,7 +16,7 @@ export default defineConfig(({ mode }) => {
       host: "0.0.0.0",
       port: 5173,
       // Erlaube Zugriffe von beliebigen Hosts (lokal + Proxy/Funnel)
-      allowedHosts: "all",
+      allowedHosts: ["localhost", "127.0.0.1", "master11.warbler-bearded.ts.net", ".ts.net"],
       cors: true,
       // Keine explizite HMR/Origin-Konfiguration, Vite-Defaults für localhost funktionieren am stabilsten
     },
@@ -30,6 +30,8 @@ export default defineConfig(({ mode }) => {
         // it interferes with image imports.
         exclude: [/src\/client\/.*/, ...defaultOptions.exclude],
         entry: "./src/server/index.ts",
+        // Allow all hosts for Tailscale Funnel
+        allowedHosts: ["localhost", "127.0.0.1", "master11.warbler-bearded.ts.net", ".ts.net"],
       }),
     ],
   };