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 ...

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 ...

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 a popular and versatile tool for port scanning, network discovery, and security auditing, but its scan results can be complex to interpret. Vulnerability remediation platform maker Vicarius ...

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 ...

A hands-on Nmap reconnaissance project combines live network scanning with structured reporting, risk analysis, and hardening advice, while reflecting CompTIA Network+ emphasis on applied diagnostics.

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 ...

Nmap is a free network scanning software available for Windows, Linux, macOS, etc. This open-source freeware can be used to check ping status, scan the entire network, check the uptime of any host, ...

Are you having trouble remembering what IP addresses are in use on your network? Jack Wallen shows you how to discover those addresses with two simple commands. How many times have you tried to ...

My home and home lab network are a mess. Over the years, connecting my lab's physical and virtual machines (VMs), SAN, NAS, and other projects using various network switches, and routers have become a ...