Do you need to know open ports on your servers ? Try CurrPorts by Nirsoft , this helpful tool allows to Monitor TCP/IP Network connection on your Windows computers.
No installation needed, just download the exe file from the dowload link and start to scan your target system.
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 name, full path of the process, version information of the process (product name, file description, and so on), the time that the process was created, and the user that created it.
In addition, CurrPorts allows you to close unwanted TCP connections, kill the process that opened the ports, and save the TCP/UDP ports information to HTML file , XML file, or to tab-delimited text file.
CurrPorts also automatically mark with pink color...