Ask any security, network or systems administrator about the top tools in their toolbox and Nmap is likely on their list. Short for Network Mapper, the versatile utility does everything from ...

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 ...

Gordon "Fyodor" Lyon is the principal author of the network scanner Nmap, and his new book Nmap Network Scanning is its authoritative guide. Lyon has crafted a precise, readable resource that will ...

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 is a popular and versatile tool for port scanning, network discovery, and security auditing, but its scan results can be complex to interpret. Vulnerability remediation platform maker Vicarius ...

Most people might figure that once you set up your network security-wise, what's done is done, and besides routine updates, not much is going to change. You fix things when something breaks, when a ...

So, how might you use Nmap if not for security? By inventorying and documenting a network, you enable maintenance of audits and licensing records, accurate and efficient configuration management, and ...

NMAP, the open source network mapping tool, should be in any network or security administrator's toolbox. It's a feature-rich network scanner that goes far beyond port scanning such as service and OS ...

Nmap 7 is finally here, and it comes packed with significant improvements. The culmination of three and a half years of work from more than 100 contributors and almost 3,200 code commits, the ...