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 ...

Linux networking isn’t just for sysadmins — it’s for anyone who wants to understand, secure, and optimize their connections. From finding your IP to scanning your network with nmap, these commands ...

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 ...

You may have heard horror stories about how easy it is for evil system crackers to probe potential victims' systems for vulnerabilities using software tools readily available on the Internet. The bad ...

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 ...

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 ...