From 5f8c6c36584fa13b93853e4a6f3b43e7f90c9431 Mon Sep 17 00:00:00 2001
From: Dave Conway-Jones <conway@uk.ibm.com>
Date: Thu, 4 Jun 2020 16:34:00 +0100
Subject: [PATCH] try to protect websocket slightly

---
 worldmap.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/worldmap.js b/worldmap.js
index a94994f..8d6e871 100644
--- a/worldmap.js
+++ b/worldmap.js
@@ -58,6 +58,7 @@ module.exports = function(RED) {
         // RED.httpNode.use(node.path, express.static(__dirname + '/worldmap', {maxage:3600000}));
 
         var callback = function(client) {
+            if (!client.headers.hasOwnProperty("user-agent")) { client.close(); }
             //client.setMaxListeners(0);
             clients[client.id] = client;
             client.on('data', function(message) {