From 9c8f956e9d0f9d23b86c116ad296e6bc35d99ee2 Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Wed, 1 Oct 2014 15:27:35 +0800
Subject: [PATCH] MDL-47214 core: IPs should be cleaned

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

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 9a9cd879db2..27a55aaba2e 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -8615,7 +8615,7 @@ function getremoteaddr($default='0.0.0.0') {
     if (!($variablestoskip & GETREMOTEADDR_SKIP_HTTP_X_FORWARDED_FOR)) {
         if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
             $hdr = explode(",", $_SERVER['HTTP_X_FORWARDED_FOR']);
-            $address = $hdr[0];
+            $address = cleanremoteaddr($hdr[0]);
             return $address ? $address : $default;
         }
     }