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 ...

Ping Scan (Sweep) —see “Types of Scans and Their Uses” above. Whew! Quite a list of scanning methods—and I've left out ACK scans and Window scans (see the man page on nmap (1) if you're interested).

nmap 192.168.1.0/24 will scan the entire range of 254 possible IP addresses on my local network and let me know which are pingable, along with which ports are open. If you've just plugged in a new ...

While there are many monitoring tools available to network administrators for port scanning and network mapping, Nmap is the de facto standard. Here's why.

The company claims that Nmap Scan Analysis will provide an easy-to-use visualization of Nmap scan data.

Nmap has supported IPv6 since 2002, but the latest version beefed up support even more. Full Unicast CIDR-style IPv6 range scanning and idle scan have been added.

Network administrators praise Nmap for its speed, flexibility, and performance – though the scan results can be complex to interpret, especially as the scope of the network increases.

I have been trying to use the snmp-sysdescr.nse script within NMAP (Windows binaries) without success. Using NMAP with other arguments, I have been able to verify that port 161/UDP is open and ...

Nmap scan report for 192.168.0.6 Host is up (0.015s latency). Not shown: 999 closed ports PORT STATE SERVICE 5555/tcp open freeciv MAC Address: 00:E0:4C:46 1:E1 (Realtek Semiconductor) Device type ...