  IP Tables State (iptstate)

  Copyright (C) 2002 - 2009 Phil Dibowitz

  This software is provided 'as-is', without any express or
  implied warranty. In no event will the authors be held
  liable for any damages arising from the use of this software.

  Permission is granted to anyone to use this software for any
  purpose, including commercial applications, and to alter it
  and redistribute it freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you
  must not claim that you wrote the original software. If you use
  this software                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  