From b304d041709d7d9c34ef0e1ea46c2cd76ab99ca3 Mon Sep 17 00:00:00 2001
From: davydovct <davydov@cleantalk.org>
Date: Mon, 1 Oct 2018 13:26:26 +0500
Subject: [PATCH] fix ndf

---
 lib/Cleantalk.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Cleantalk.php b/lib/Cleantalk.php
index 04a57e6..4c3ee72 100644
--- a/lib/Cleantalk.php
+++ b/lib/Cleantalk.php
@@ -411,7 +411,7 @@ private function httpRequest($msg) {
 		
         $si=(array)json_decode($msg->sender_info,true);
 
-		$si['remote_addr'] = $_SERVER['REMOTE_ADDR'];
+		if(isset($_SERVER['REMOTE_ADDR']))     $si['remote_addr'] = $_SERVER['REMOTE_ADDR'];
 		if(isset($_SERVER['X_FORWARDED_FOR'])) $msg->x_forwarded_for = $_SERVER['X_FORWARDED_FOR'];
 		if(isset($_SERVER['X_REAL_IP']))       $msg->x_real_ip       = $_SERVER['X_REAL_IP'];