TCPView is a free program that shows details about TCP and UDP ports that are being used up on your system by various applications. You'll get in depth details of the local addresses and corresponding remote address including the state of the TCP connections. TCPView works on Windows Vista, XP, NT, Server 2008. You can use it on Windows 95 also, but you need to get Winsock 2 … [Read more...] about How To See Which TCP & UDP Ports Are Being Used In Windows XP And Vista