More precisely what it uses ICMP Echo Request ? ICMP, allows a computer that has installed Windows Vista, to answer or not to pingto another computer. Windows Vista, has blocked by default This service from Firewall. For Enable ICMP Echo Request, without deactivating Firewall, you must follow a few simple steps.
1. Open Command promptly with administrator privileges. (At the beginning – > start search -> write cmd -> click -right on cmd.exe -> Run as Administrator)
2. Copy the following order line and press Enter. :
netsh firewall set icmpsetting 8 enable
To disable (stop responding to ping) again instead of “enable” At the end of the order line, write “disable” :
netsh firewall set icmpsetting 8 disable
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