A number of weeks ago, I provided and described a script that uses nmap to quickly scan a system or subnet for activity on a particular port. Useful for detecting, say, web servers or Oracle ...

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 ...

You may have heard horror stories about how easy it is for evil system crackers to probe potential victims' systems for vulnerabilities using software tools readily available on the Internet. The bad ...

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10 ways to check ports in Linux to help troubleshoot systems Your email has been sent System and network troubleshooting often involves checking and obtaining information about ports to ensure ...

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: ...

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 ...