Okay, I already have this thread in an attempt to replace the current firewall that is on a network that, I guess, I'm in charge of, but I think I'm going to puch that back a little because I'm a ...

Ask any security, network or systems administrator about the top tools in their toolbox and Nmap is likely on their list. Short for Network Mapper, the versatile utility does everything from ...

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 ...

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 ...

Anecdotally, it would take about a week for a single machine to ping sweep the Internet. That would be approximately 4 billion IP addresses, essentially the whole Internet. In theory, this includes ...