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 ...

So, how might you use Nmap if not for security? By inventorying and documenting a network, you enable maintenance of audits and licensing records, accurate and efficient configuration management, and ...

Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf install nmap" on Fedora. To do a quick scan of your network and discover the ...

In this video for Help Net Security, Shani Dodge Reiner, Development Team Leader at Vicarius, explains how to identify vulnerabilities using the NMAP tool. NMAP is a very powerful and popular tool for ...

IntroductionRecently, I have been using Nmap to study security and check which ports are open on servers.For example,22/tcp ...

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 ...

IntroductionIn the previous second installment, we learned about IP addresses, ports, and how TCP/UDP works. This time, we will use that knowledge to look at your own server from the perspective of an ...

Your system is always communicating with other services and devices on the network. Use these tools to check what’s actually ...