呀米呀米 .....((((( O_O))))).....

Internet controler and Message Protocal
http://nic.phys.ethz.ch/readme/226

 http://www.howtonetworking.com/vista/enablieping.htm

 http://msdn.microsoft.com/zh-tw/library/7hzczzed.aspx

 http://rnarayana.blogspot.com/2008/01/ping-in-vista-icmp-sohuld-be-enabled.html