diff --git a/source/de/anomic/server/portForwarding/upnp/serverPortForwardingUpnp.java b/source/de/anomic/server/portForwarding/upnp/serverPortForwardingUpnp.java
index 3154b2c0d..9f5cf7955 100644
--- a/source/de/anomic/server/portForwarding/upnp/serverPortForwardingUpnp.java
+++ b/source/de/anomic/server/portForwarding/upnp/serverPortForwardingUpnp.java
@@ -1,17 +1,57 @@
+// serverPortForwardingUpnp.java 
+// -------------------------------------
+// part of YACY
+// (C) by Michael Peter Christen; mc@anomic.de
+// first published on http://www.anomic.de
+// Frankfurt, Germany, 2004
+//
+// This file ist contributed by Martin Thelian
+//
+// $LastChangedDate: 2006-02-20 23:57:42 +0100 (Mo, 20 Feb 2006) $
+// $LastChangedRevision: 1715 $
+// $LastChangedBy: theli $
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// Using this software in any meaning (reading, learning, copying, compiling,
+// running) means that you agree that the Author(s) is (are) not responsible
+// for cost, loss of data or any harm that may be caused directly or indirectly
+// by usage of this softare or this documentation. The usage of this software
+// is on your own risk. The installation and usage (starting/running) of this
+// software may allow other people or application to access your computer and
+// any attached devices and is highly dependent on the configuration of the
+// software which must be done by the user of the software; the author(s) is
+// (are) also not responsible for proper configuration and usage of the
+// software, even if provoked by documentation provided together with
+// the software.
+//
+// Any changes to this file according to the GPL as documented in the file
+// gpl.txt aside this file in the shipment you received can be done to the
+// lines that follows this copyright notice here, but changes must not be
+// done inside the copyright notive above. A re-distribution must contain
+// the intact and unchanged copyright notice.
+// Contributions and changes to the program code must be marked as such.
+
+
 package de.anomic.server.portForwarding.upnp;
 
 import java.io.IOException;
 import java.net.InetAddress;
-import java.net.URL;
-
-import com.jcraft.jsch.Session;
-
-import net.sbbi.upnp.devices.UPNPRootDevice;
 import net.sbbi.upnp.impls.InternetGatewayDevice;
 import net.sbbi.upnp.messages.ActionResponse;
 import net.sbbi.upnp.messages.UPNPResponseException;
-
-import de.anomic.server.serverInstantThread;
 import de.anomic.server.serverSwitch;
 import de.anomic.server.logging.serverLog;
 import de.anomic.server.portForwarding.serverPortForwarding;
@@ -78,7 +118,7 @@ public class serverPortForwardingUpnp implements serverPortForwarding {
                 }
 
             } catch ( IOException ex ) {
-                throw new Exception("IOException occured during discovery or ports mapping " + ex.getMessage());
+                throw new Exception("IOException occured during discovery or ports mapping. " + ex.getMessage());
             } catch( UPNPResponseException respEx ) {
                 throw new Exception("UPNP device unhappy " + respEx.getDetailErrorCode() + " " + respEx.getDetailErrorDescription() );
             }
@@ -123,7 +163,7 @@ public class serverPortForwardingUpnp implements serverPortForwarding {
     public void init(serverSwitch switchboard, String localHost, int localPort)
             throws Exception {
         try {
-            this.log.logFine("Initializing port forwarding via sch ...");
+            this.log.logFine("Initializing port forwarding via UPnP ...");
             this.switchboard = switchboard;
             
             if (localHost.equals("0.0.0.0")) {