Easily disallow ICMP requests with Windows XP
- Open the XP Control Panel.
- Open Network and Internet Connections.
- Launch Network Connections.
- Right-click the device you're using to connect
to the Internet. Select Properties.
- Select the Advanced Tab.
- Turn on the Internet Connection Firewall. You'll
see a Settings button in the lower right corner. Click it.
- Choose the ICMP tab and uncheck all the marked
boxes (if any are checked). Choose OK.
- Select OK and exit out.