src/de/steamwar/bungeecore/listeners/ChatListener.java

@@ -94,6 +94,12 @@ public class ChatListener extends BasicListener {
                 return;
             }
 
+            if(!sender.hasPermission(ConnectionListener.TEAM_GROUP) && (e.getMessage().contains("http") || e.getMessage().contains("www"))){
+                BungeeCore.send(sender, BungeeCore.CHAT_PREFIX + "§cDu darfst keine Links versenden.");
+                e.setCancelled(true);
+                return;
+            }
+
             Subserver subserver = Subserver.getSubserver(sender);
             if(subserver != null && subserver.getType() == Servertype.ARENA)
                 return;

src/de/steamwar/bungeecore/listeners/ConnectionListener.java

@@ -25,7 +25,7 @@ import java.util.Iterator;
 public class ConnectionListener extends BasicListener {
 
     private static final String ADMIN_GROUP = "admin";
-    private static final String TEAM_GROUP = "team";
+    public static final String TEAM_GROUP = "team";
     private static final String YOUTUBER_MODS = "bungeecore.youtubermods";
 
     @EventHandler