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 ...

This article, List open ports and listening services, originally appeared on TechRepublic.com. One of the biggest headaches for network administrators is open ports on devices. Unless you manually ...

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 ...

Remember that scene in The Matrix when Trinity uses a realistic Nmap port scan, followed by an actual SSH exploit (long since patched) to break into a power company? Well, believe it or not, but that ...

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 ...

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 ...

Preparing for the eventual widespread conversion to IPv6, the Nmap Project has updated its namesake security scanning tool so it can scan IPv6 networks using a variety of novel techniques. Nmap ...

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: ...