When things feel sluggish or out of place, the first question is often, “What’s even on my network right now?” Nmap answers ...

If you use a Red Hat-based Linux distribution, ... you can issue the same scan like so: nmap -sn 192.168.1.100-200. ... How to find out what’s on your network with Nmap ...

Type the IP address range that you want to scan in the Target box in the top left-hand area of the window -- for example, to scan the 143.158.210.0 network, type "143.158.210.1-254" and click "Scan." ...

Normally, you probably think of nmap as a security tool. After all, it's ideal when you want to test a machine for open, vulnerable ports. The other day though, I realized nmap had another use—a way ...

Figure 1 shows a network scan of my QNAP NAS. The only thing I use the unit for is NFS and SMB file sharing, but as you can tell, it has a ton of ports wide open. Without Nmap, it would be difficult ...

How do you handle vulnerability scanning on your enterprise network? If you're like many of your peers, you've either invested in an expensive enterprise-wide commercial vulnerability scanner, or ...

Nmap 7 works on a wide range of operating systems, including Linux, Windows 10, OS X 10.8 Mountain Lion through 10.11 El Capitan, IBM’s AIX, and Oracle’s Solaris UNIX.