Settings for hiding computers and accessing the Internet in the LAN

The computer connected to the LAN is exposed to the public after the boot. Do not want others to see their own computer and connect to the Internet. Can it be achieved? Windows
XP In the right click on the "My Network Places" option, select the "Properties" command, open the "Network Connections" window, double-click the "Local Area Connection" icon, and the "Local Connection Status" dialog box will pop up. Click on it. "Properties" button, open the “local connection properties” dialog box, remove the "Microsoft Network File and Printer Sharing" and "QoS Packet Scheduler" checkbox, and confirm the exit dialog In the box, restart your computer so that others can't see your computer and you can't share the content on your computer. In addition, we can also hide ourselves by modifying the registry. Experts remind everyone, just click “Start →Run”, enter “Regedit” and press Enter to open the registry editing window. Locate HKEY_LOCAL_MACHINE/SYS TEM/CurrentControlSet/Services/LanManServer/Parameters and see if the right window has a DWORD value named “Hidden”. If not, right click on the blank area and select the “New” rule in the right-click menu. , create a new “DWORD value” and name it "Hidden", set the value of the key value to “1”. The method is hidden only by you in "Network Neighborhood".