From 69fa9874dd2a05e83225220fd46aa0a425f32aa3 Mon Sep 17 00:00:00 2001
From: WaLLy3K <WaLLy3K@users.noreply.github.com>
Date: Thu, 18 May 2017 18:54:26 +1000
Subject: [PATCH] Use HTTP_HOST instead of SERVER_NAME

* Fixes https://github.com/pi-hole/pi-hole/issues/1479
---
 advanced/index.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/advanced/index.php b/advanced/index.php
index 89c49051..a5545ea4 100644
--- a/advanced/index.php
+++ b/advanced/index.php
@@ -15,11 +15,11 @@ function validate_server_name($domain) { // Cr: http://stackoverflow.com/a/46948
         && preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $domain)); // Length of each label
 }
 
-// Validate SERVER_NAME output
-if (validate_server_name($_SERVER["SERVER_NAME"]) === TRUE) {
-    $serverName = $_SERVER["SERVER_NAME"];
+// Validate HTTP_HOST output
+if (validate_server_name($_SERVER["HTTP_HOST"]) === TRUE) {
+    $serverName = $_SERVER["HTTP_HOST"];
 } else {
-    die("[ERROR]: <code>SERVER_NAME</code> header output does not appear to be valid: <code>".$_SERVER["SERVER_NAME"]."</code>");
+    die("[ERROR]: <code>HTTP_HOST</code> header output does not appear to be valid: <code>".$_SERVER["HTTP_HOST"]."</code>");
 }
 
 // Get values from setupVars.conf