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 ...

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: ...

From troubleshooting DNS queries and misbehaving network apps to keeping your configurations and passwords organized, these tools have you covered Routing issues, slow network applications, DNS ...