diff --git a/instance/src/bin/proxy.ts b/instance/src/bin/proxy.ts
index c291337..16611d1 100755
--- a/instance/src/bin/proxy.ts
+++ b/instance/src/bin/proxy.ts
@@ -12,15 +12,19 @@ async function main() {
 	console.log("[proxy] listening on port", from_port, "redirecting to", to_ip, "port", to_port);
 
 	for await (const connection of server) {
-		try {
-			const client = await Deno.connect({ transport: "tcp", hostname: to_ip, port: parseInt(to_port) });
-			const promise_connection_done = connection.readable.pipeTo(client.writable);
-			const promise_client_done = client.readable.pipeTo(connection.writable);
-			await Promise.all([promise_client_done, promise_connection_done]);
-		} catch (_) { /* isok */ }
+		serve(to_ip, to_port, connection);
 	}
 }
 
+async function serve(to_ip: string, to_port: string, connection: Deno.Conn) {
+	try {
+		const client = await Deno.connect({ transport: "tcp", hostname: to_ip, port: parseInt(to_port) });
+		const promise_connection_done = connection.readable.pipeTo(client.writable);
+		const promise_client_done = client.readable.pipeTo(connection.writable);
+		await Promise.all([promise_client_done, promise_connection_done]);
+	} catch (_) { /* isok */ }
+}
+
 export function proxy_command(from_port: number, to_ip: string, to_port: number) {
 	const path = new URL("", import.meta.url).pathname;
 	const args = [from_port, to_ip, to_port].map((v) => v.toString());