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 ...

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 is an essential tool for anyone who's serious about network security. It can be installed on any Linux distribution. The nmap command (short for network mapper) is a network exploration/security ...

Anecdotally, it would take about a week for a single machine to ping sweep the Internet. That would be approximately 4 billion IP addresses, essentially the whole Internet. In theory, this includes ...

The Nmap Project just released the Holiday Edition of its open source cross-platform security scanner and network mapper, with several important improvements and bug fixes. New features in Nmap 7.40 ...

Jeff's been involved in the IT industry since before the Internet and spent more than 20 years working in technical support, system administration, network administration, and consulting roles. He ...