From ba61b64c424abed18052a68955f996d9eb81d9b7 Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Sun, 11 Dec 2016 20:50:17 +0000
Subject: If a region address is resolveable to a single address, resolve it on
 startup and use that address This change facilitates running opensim within
 containers and VMs where the external address isn't that of the VM/container
 but that of the host.

---
 OpenSim/Framework/RegionInfo.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index ca17793..f764a34 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -708,7 +708,11 @@ namespace OpenSim.Framework
             }
             else
             {
-                m_externalHostName = externalName;
+                IPAddress[] addrs = Dns.GetHostAddresses(externalName);
+                if (addrs.Length != 1) // If it is ambiguous or not resolveable, use it literally
+                    m_externalHostName = externalName;
+                else
+                    m_externalHostName = addrs[0].ToString();
             }
 
             // RegionType
-- 
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