From 29fcc2da053b659ea187f8a9e90d0128c5a60779 Mon Sep 17 00:00:00 2001
From: Reto Brunner <reto@slightlybroken.com>
Date: Thu, 9 May 2024 18:35:40 +0200
Subject: [PATCH] ident: close connections if they don't send data

---
 server/identification.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/server/identification.ts b/server/identification.ts
index 2fc1f758..03a29687 100644
--- a/server/identification.ts
+++ b/server/identification.ts
@@ -66,6 +66,14 @@ class Identification {
 
 	serverConnection(socket: Socket) {
 		socket.on("error", (err: string) => log.error(`Identd socket error: ${err}`));
+		socket.setTimeout(5000, () => {
+			log.warn(
+				`identd: no data received, closing connection to ${
+					socket.remoteAddress || "undefined"
+				}`
+			);
+			socket.destroy();
+		});
 		socket.once("data", (data) => {
 			this.respondToIdent(socket, data);
 			socket.end();