Tools to identify open ports on a PC

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Tools to identify open ports on a PC



Everyone should be concerned about the security of their computer when connected to the Internet.
The minimal security requirements are:
  • An up-to-date antivirus software.
  • Enable the firewall of your ADSL router or install one on your PC.


Another precaution is to secure the open (TCP) ports of your PC. TCP/IP port allows data exchange in the form of packets and as such many malware infections are conducted through open ports.
The following tools will allow you to identify the open ports:
You can also check for open ports using the netstat -a command.
  • Read http://ccm.net/faq/32988-windows-how-to-identify-the-open-ports
Jean-François Pillou

Jean-François Pillou - Founder of CCM
Better known as Jeff, Jean-François Pillou is the founder of CommentCaMarche.net. He is also CEO of CCM Benchmark and digital director at the Figaro Group.

Learn more about the CCM team