--- ../src-base/minecraft/net/minecraft/src/IntegratedServerListenThread.java
+++ ../src-work/minecraft/net/minecraft/src/IntegratedServerListenThread.java
@@ -4,6 +4,12 @@
 import cpw.mods.fml.common.asm.SideOnly;
 import java.io.IOException;
 import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.util.Collections;
+
+import com.google.common.collect.Iterators;
+import com.google.common.collect.Lists;
+
 import net.minecraft.server.MinecraftServer;
 
 @SideOnly(Side.CLIENT)
@@ -48,7 +54,32 @@
 
             try
             {
-                this.field_71757_g = new ServerListenThread(this, InetAddress.getLocalHost(), var1);
+                InetAddress add = null;
+                NetworkInterface notLocal = null;
+                for (NetworkInterface ni : Collections.list(NetworkInterface.getNetworkInterfaces()))
+                {
+                    if (!ni.isLoopback() && ni.isUp())
+                    {
+                        notLocal = ni;
+                        break;
+                    }
+                }
+                if (notLocal != null)
+                {
+                    for (InetAddress inadd : Collections.list(notLocal.getInetAddresses()))
+                    {
+                        if (inadd.getAddress().length == 4)
+                        {
+                            add = inadd;
+                            break;
+                        }
+                    }
+                }
+                if (add == null)
+                {
+                    add = InetAddress.getLocalHost();
+                }
+                this.field_71757_g = new ServerListenThread(this, add, var1);
                 this.field_71757_g.start();
             }
             catch (IOException var3)

Fix LAN to try hard to find a real network interface, not just localhost most of the time
Fix LAN to try hard to find a real network interface, not just localhost
most of the time
