i use the "unplug'n pray" from grc.com
To manual check whether your plug and play are disable go here http://www.winguides.com/registry/display.php/1131/

If you wanna configure which port to allow UDP or TCP,pls follow the steps below.
1>My Computer
2>Right click My Network Places and then properties.
3>Right click your Local Area Connection,then properties again.
4>Internet Protocol(TCP/IP),then click the Properties button.
5>Click Advance button.
6>Click Option,then Properties.
7>From here you can configure which ports which allow TCP or UDP.