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 ...

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 ...

Creating a system inventory is a common task for system and network administrators. Information security specialists often need inventories as well. Even in shops that have inventory tools, a method ...

The book has a lot of helpful tips and tricks to get the most of Network Mapping. It can be a complete resource for anyone who likes to learn more about network scanning and network mapping. The book ...

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 ...

It is certainly well known that “hacker tools” can be used for many legitimate purposes. Nmap, the Network Mapper and security scanner is no exception. These days, it is used routinely to identify the ...

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 ...

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 ...