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 ...

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 ...

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 ...

Use nmap –sP host to perform a ping sweep, where host is the individual hostname or IP address you wish to target or a range of addresses by writing in CIDR-style format with /numbits appended to an ...

Open source security frameworks help enterprises stay one step ahead of attackers by facilitating penetration testing and vulnerability assessments on wired and wireless networks. Picking just 10 ...

In today's open source roundup: SourceForge takes more heat for its Nmap page. Plus: Best Chromebook for a college student? And DistroWatch reviews Fedora 22 KDE SourceForge is under fire yet again ...