From 8c99b13e12052ce9055f92eb9a8c9dddc98ea01d Mon Sep 17 00:00:00 2001
From: "Fedor A. Fetisov" <faf@oits.ru>
Date: Thu, 25 May 2017 12:01:11 +0300
Subject: [PATCH] Improve algorithm in setting the value for a visitor's IP

---
 src/mibew/libs/chat.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mibew/libs/chat.php b/src/mibew/libs/chat.php
index 781c509c..d893c536 100644
--- a/src/mibew/libs/chat.php
+++ b/src/mibew/libs/chat.php
@@ -580,7 +580,7 @@ function get_remote_host()
     $has_proxy = isset($_SERVER['HTTP_X_FORWARDED_FOR'])
         && $_SERVER['HTTP_X_FORWARDED_FOR'] != $_SERVER['REMOTE_ADDR'];
     if ($has_proxy) {
-        $ips = explode(', ', $_SERVER['HTTP_X_FORWARDED_FOR'], 2);
+        $ips = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'], 2);
         $ext_addr = (count($ips) > 1)
             ? $ips[0] . ' (' . $_SERVER['HTTP_X_FORWARDED_FOR'] . ')'
             : $ips[0];