From deb078980b982b91730e943fd487a64bddc51b76 Mon Sep 17 00:00:00 2001
From: Fred Boniface <fred@fjla.uk>
Date: Sat, 24 Dec 2022 20:39:26 +0000
Subject: [PATCH] Use x-forwarded-for header to get ip.  fallback fo clientIP

---
 app.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app.js b/app.js
index cf0bc66..8149592 100644
--- a/app.js
+++ b/app.js
@@ -8,7 +8,8 @@ const instanceNumber = Math.floor(Math.random() * 101);
 const app = express();
 
 app.get('/', (req, res) => {
-    res.send(`node-test instance ${instanceNumber}, your IP: ${req.ip}`);
+    var ip = req.headers['x-forwarded-for'] || req.ip;
+    res.send(`node-test instance ${instanceNumber}, your IP: ${ip}`);
 });
 
 app.listen(PORT, HOST, () => {