Nmap is one of the most well-known tools among the infosec community. "Some call it the Swiss Army knife for hacking," said Paulino Calderon, author and co-founder of Websec Mexico. At almost 25 years ...

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 ...

What is an Nmap Maimon scan and how does the tool interpret responses from it? Your question actually led me down an intriguing path. I first checked the Nmap documentation, which referred to issue No ...

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 ...

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 ...