Port Scanning applications like Free Port Scanner help you identify open ports and services on a network host. They thoroughly scan specific ports for a given IP and reveal vulnerable access points, ...

This month marks the 20th anniversary of Nmap, the open-source network mapping tool that became the standard used by many IT professionals, but that can be a bit much if you only need to do general ...

Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...