Zitat Zitat von http://msdn.microsoft.com/en-us/library/ms740548%28VS.85%29.aspx

  • TCP data cannot be sent over raw sockets.
  • UDP datagrams with an invalid source address cannot be sent over raw sockets. The IP source address for any outgoing UDP datagram must exist on a network interface or the datagram is dropped. This change was made to limit the ability of malicious code to create distributed denial-of-service attacks and limits the ability to send spoofed packets (TCP/IP packets with a forged source IP address).
  • [...]

These above restrictions do not apply to Windows Server 2008 , Windows Server 2003, or to versions of the operating system earlier than Windows XP with SP2.
Es sind also oben genannte Operationen mit Raw Sockets verboten.