Most people might figure that once you set up your network security-wise, what's done is done, and besides routine updates, ...

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 ...

Remember that scene in The Matrix when Trinity uses a realistic Nmap port scan, followed by an actual SSH exploit (long since patched) to break into a power company? Well, believe it or not, but that ...

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 ...

A recent update to an ad block filter list now allows the uBlock Origin extension to block most of the known sites that perform port scans of your local Windows computer. A few weeks ago, we reported ...

Press "Windows-R" to open a Run box. Type "cmd" -- without quotes here and throughout -- in the "Open" field, then press "Enter." If a User Account Control message displays, click the "Yes" button. A ...