From ec0fa107001054ec867443141f50cc227e1b65e3 Mon Sep 17 00:00:00 2001
From: Matthew Hunt <mph@coneslayer.org>
Date: Sat, 20 Oct 2018 00:53:50 -0400
Subject: [PATCH] Handle X-Forwarded-For with multiple hosts (#169)

---
 getIP.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/getIP.php b/getIP.php
index 79f620a..0b67d3e 100644
--- a/getIP.php
+++ b/getIP.php
@@ -13,6 +13,7 @@ if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
     $ip = $_SERVER['X-Real-IP'];
 } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
     $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
+    $ip = preg_replace("/,.*/", "", $ip); # hosts are comma-separated, client is first
 } else {
     $ip = $_SERVER['REMOTE_ADDR'];
 }