From 6b4e2a89ffa4f0b866ba8078868b45d2c4eea6d7 Mon Sep 17 00:00:00 2001
From: RomanTerentev <roman.dv.93@gmail.com>
Date: Fri, 17 Apr 2020 04:43:52 +1000
Subject: [PATCH] [doc] Improve authentication example (#1741)

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 196455562..3a23aed9d 100644
--- a/README.md
+++ b/README.md
@@ -266,8 +266,10 @@ wss.on('connection', function connection(ws, request, client) {
 });
 
 server.on('upgrade', function upgrade(request, socket, head) {
+  // This function is not defined on purpose. Implement it with your own logic.
   authenticate(request, (err, client) => {
     if (err || !client) {
+      socket.write('HTTP/1.1 401 Unauthorized\r\n\r\n');
       socket.destroy();
       return;
     }