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 ...

So far, in my previous articles on Nmap, we've looked at how the scanner can be used to map and audit a network, as well as track down noncompliant devices and services. But hackers can also use Nmap ...

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 among a network penetration tester's best friends, sitting high on a pedestal with the Metasploit Framework. I've been using the tool my entire career for network mapping and host discovery, ...

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 ...

Computerworld recently showcased 10 great free network management tools. Readers responded with some of their own favorites, so I’m going to take a look at those tools and report on their capabilities ...

The great thing about tools is that you often can misuse them for a completely different purpose. The end of a screwdriver makes a passable hammer; a butter knife can be a screwdriver, and even a ...

If SSH is the Swiss Army knife of the system administration world, Nmap is a box of dynamite. It's really easy to misuse dynamite and blow your foot off, but it's also a very powerful tool that can do ...

These are the basic Linux network commands every admin should be able to use for troubleshooting network connection problems. Gartner releases 4 trends that will impact cloud, data centers and ...