To most, the term "internet port scanning" might sound like the kind of nonsensical technobabble you would hear on an episode of "NCIS." However, port scanning is a very real and widely used method, ...

Easy-access network tools are simple but essential and can be downloaded from the online Microsoft Store and pinned to the Windows 10 Start menu Networking tools for Windows are typically command-line ...

Nmap, short for Network Mapper, is a free and open source tool used for vulnerability checking, port scanning and, of course, network mapping. Despite being created back in 1997, Nmap remains the gold ...

A good diagnostic tool for any sysadmin is a port scanner to ensure a firewall is working as intended to open or close ports. When you want a quick and dirty scanning tool, there are some great free ...

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 ...

If you're looking for a way to discover which ports are standing wide open on network machines, read about a powerful cross-platform solution that will do the trick. Editor’s note on June 4, 2015: ...