From 69cc5814d85733f5bec9cac03e78caa1324406fe Mon Sep 17 00:00:00 2001
From: Phlogi <Phlogi@users.noreply.github.com>
Date: Sun, 24 Mar 2019 12:11:46 +0100
Subject: [PATCH] Change WAN IP behaviour: Use ServerConfiguration.WanDdns if
 set in configuration.

---
 Emby.Server.Implementations/ApplicationHost.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index 5f4c30f0f1..7e236002a2 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -1372,7 +1372,15 @@ namespace Emby.Server.Implementations
         public async Task<SystemInfo> GetSystemInfo(CancellationToken cancellationToken)
         {
             var localAddress = await GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
-            var wanAddress = await GetWanApiUrl(cancellationToken).ConfigureAwait(false);
+            
+            if ( String.IsNullOrEmpty(ServerConfiguration.WanDdns) ){
+                var wanAddress = await GetWanApiUrl(cancellationToken).ConfigureAwait(false);
+            } else {
+                // Use the (dynmic) domain name set in the configuration if available instead of querying 
+                // an external service to get the IP address
+                // The domain resolution to the ip should be part of the client, not the server.
+                var wanAddress = ServerConfiguration.WanDdns;
+            }
 
             return new SystemInfo
             {