Nmap is a tool that is commonly used by hackers to discover information about a target network. Network technicians also use Nmap to troubleshoot and document their network. The tool produces ...

Five free network analyzers worth any IT admin’s time Your email has been sent Solid information leads to a strong and worry-free network. Jack Wallen lists five tools that can get you that solid ...

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: ...