From 4ddadd7043eba4bfc5a1ce66771582afceaa2f10 Mon Sep 17 00:00:00 2001
From: DL6ER <derigs@ph1.uni-koeln.de>
Date: Mon, 19 Dec 2016 13:46:38 +0100
Subject: [PATCH] Skip validation of secondary IP if set to "none"

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

diff --git a/php/savesettings.php b/php/savesettings.php
index edf67902..911b82ee 100644
--- a/php/savesettings.php
+++ b/php/savesettings.php
@@ -80,7 +80,7 @@ function validDomain($domain_name)
 				}
 
 				// Validate secondary IP
-				if (!validIP($secondaryIP) && strlen($secondaryIP) > 0)
+				if (!validIP($secondaryIP) && $secondaryIP != "none" && strlen($secondaryIP) > 0)
 				{
 					$error .= "Secondary IP (".$secondaryIP.") is invalid!<br>";
 				}