

If you do not recognize the Process name, you can look up the Remote Address Port information for a list of well known common ports or here for a detailed list of well known ports. So how do you know what kind of communications is going on between the two hosts? In this case the Local Address is marklap Computer and it is connected to the Remote Address known as .Īs described above, the Port makrlap is accepting the connection on is 2185 while msgr-cs128 is accepting the connection on 1863.

The first column displays the Process name (on your Computer) and the Local Address column shows your Computer name and the port number your Computer is listening on, while the Remote Address column will display the remote Computer name (or IP Address if TCPview cannot resolve the IP address to it's Domain name) and the port number it is listening on.Īs shown below, the Remote Address column is the key to who you are communicating and connected with. On Windows NT, 2000 and XP, TCPView also reports the name of the process that owns the endpoint. TCPview will show you a detailed listings of all TCP ( Transmission Control Protocol) and UDP ( User Datagram Protocol) endpoints on your Computer, including the local and remote addresses and state of TCP connections.
Microsoft tcpview download Pc#
Once downloaded, unzip to a location on your PC and execute TCPview.exe.
Microsoft tcpview download update#
You can use TCPView on Windows 95 if you get the Windows 95 Winsock 2 Update from Microsoft.
Microsoft tcpview download free#
This tool is free and runs on Windows NT/2000/XP and Windows 98/Me. With Computers, you can also "look down" and see all the logical Network connections communicating with your computer, by using a tool called TCPView for Windows located at Microsoft TechNet Windows Sysinternals website. If you stood on your roof and look down at your house, you will see all services entering and leaving your house from utilities and other companies that supply electric, gas, cable, etc. Think of ports and port numbers as how services enter your house, such as your phone, where the port is the box outside your house that connects the wires from the street and phone company to your house, and port number is your phone number. For example, port 80 is used for HTTP traffic." The port number identifies what type of port it is. Webopedia defines TCP/IP Network ports as " an endpoint to a logical connection.
