A number of weeks ago, I provided and described a script that uses nmap to quickly scan a system or subnet for activity on a particular port. Useful for detecting, say, web servers or Oracle ...

Nmap, short for Network Mapper, is a free and open source tool used for vulnerability checking, port scanning and, of course, network mapping. Despite being created back in 1997, Nmap remains the gold ...

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, ...

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Most people might figure that once you set up your network security-wise, what's done is done, and besides routine updates, not much is going to change. You fix things when something breaks, when a ...

Jeff's been involved in the IT industry since before the Internet and spent more than 20 years working in technical support, system administration, network administration, and consulting roles. He ...

Port scans, which are used to determine if ports on a network are open to receive packets from other devices, are beneficial to cybersecurity teams to help shore up defenses. But the process is also ...

Nmap 7 is finally here, and it comes packed with significant improvements. The culmination of three and a half years of work from more than 100 contributors and almost 3,200 code commits, the ...

His love of PCs and their components was born out of trying to squeeze every ounce of performance out of the family computer. Tinkering with his own build at age 10 turned into building PCs for ...