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diff --git a/nxcomp/src/ClientProxy.h b/nxcomp/src/ClientProxy.h
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+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com)          */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de>  */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de>                 */
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de>                */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com)           */
+/*                                                                        */
+/* NXCOMP, NX protocol compression and NX extensions to this software     */
+/* are copyright of the aforementioned persons and companies.             */
+/*                                                                        */
+/* Redistribution and use of the present software is allowed according    */
+/* to terms specified in the file LICENSE.nxcomp which comes in the       */
+/* source distribution.                                                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/* NOTE: This software has received contributions from various other      */
+/* contributors, only the core maintainers and supporters are listed as   */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well.                                          */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef ClientProxy_H
+#define ClientProxy_H
+
+#include "Proxy.h"
+
+//
+// Set the verbosity level.
+//
+
+#undef  TEST
+#undef  DEBUG
+
+class ClientProxy : public Proxy
+{
+  public:
+
+  ClientProxy(int proxyFD);
+
+  virtual ~ClientProxy();
+
+  virtual void handleDisplayConfiguration(const char *xServerDisplay, int xServerAddrFamily,
+                                              sockaddr *xServerAddr, unsigned int xServerAddrLength);
+
+  virtual void handlePortConfiguration(ChannelEndPoint &cupsServerPort,
+                                       ChannelEndPoint &smbServerPort,
+                                       ChannelEndPoint &mediaServerPort,
+                                       ChannelEndPoint &httpServerPort,
+                                       const char *fontServerPort);
+
+  protected:
+
+  //
+  // Create a new channel.
+  //
+
+  virtual int handleNewConnection(T_channel_type type, int clientFd);
+
+  virtual int handleNewConnectionFromProxy(T_channel_type type, int channelId);
+
+  virtual int handleNewAgentConnection(Agent *agent);
+
+  virtual int handleNewXConnection(int clientFd);
+
+  virtual int handleNewXConnectionFromProxy(int channelId);
+
+  //
+  // Implement persistence according
+  // to our proxy mode.
+  //
+
+  virtual int handleLoad(T_load_type type);
+  virtual int handleSave();
+
+  virtual int handleAsyncEvents();
+
+  virtual int handleLoadFromProxy();
+  virtual int handleSaveFromProxy();
+
+  virtual int handleSaveAllStores(ostream *cachefs, md5_state_t *md5StateStream,
+                                      md5_state_t *md5StateClient) const;
+
+  virtual int handleLoadAllStores(istream *cachefs, md5_state_t *md5StateStream) const;
+
+  //
+  // Utility function used to realize
+  // a new connection.
+  //
+
+  protected:
+
+  virtual int checkLocalChannelMap(int channelId)
+  {
+    // Since ProtoStep7 (#issue 108)
+    return ((channelId & control -> ChannelMask) != 0);
+  }
+
+  //
+  // Ports where to forward extended services'
+  // TCP connections.
+  //
+
+  private:
+
+  char *fontServerPort_;
+};
+
+
+#endif /* ClientProxy_H */