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 ...

How can you be sure your network is secure? Before you can patch vulnerabilities you need to discover them. You need to think like a cracker might. You need to hack your own system. This is known as ...

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 ...

With this quick and simple Nmap command, you can discover every host and associated IP address on your network. Have you ever wanted to know what devices were on your network, but didn’t want to ...

Nmap is one of the most critical network scanning and security assessment tools in a security admin's arsenal. While many use it regularly to run basic scans, most admins are not familiar with the ...

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 ...

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 ...

Discovering hosts and services isn't just something that hackers do. A good sysadmin needs to work with an up-to-date view of the systems they manage or those they want to keep an eye on. You have to ...