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 ...

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 ...

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 ...

I'm looking for an online port scanner that lets me give it an IP and list of ports, and tells me if ports are filtered or closed. (like how nmap mentions filtered or closed) GRC shields up refers to ...

System and network troubleshooting often involves checking and obtaining information about ports to ensure functionality and determine the source of problems. Learn handy tips to help keep systems ...

Cybersecurity has become crowded with dashboards, alerts, scanners, and artificial intelligence features. Yet the basic job has not changed much. Security teams still need to know what is running, ...