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 ...

To most, the term "internet port scanning" might sound like the kind of nonsensical technobabble you would hear on an episode of "NCIS." However, port scanning is a very real and widely used method, ...

While nmap is generally used to probe business networks and perform security reviews, the tool can also provide interesting details on your systems and devices at home. Nmap, the “network mapper,” has ...

Use the Python Netmiko module to automate switches, routers and firewalls from multiple vendors. I frequently find myself in the position of confronting "hostile" networks. By hostile, I mean that ...

If you're looking for a way to discover which ports are standing wide open on network machines, read about a powerful cross-platform solution that will do the trick. Editor’s note on June 4, 2015: ...