cports.exe is a CurrPorts belonging to CurrPorts from NirSoft .

CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer. For each port in the list, information about the process that opened the port is also displayed, including the process

可以检测所有的port的状态,基于TCP/IP协议,是一个不可多得的调试工具-easy monitor the ports in host base on TCP/IP,it s a good tool for testing the communication