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 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.

Nmap has established itself as a premier, free, open-source network mapping tool. There are alternatives that are also free, though they vary in their sophistication and ease of use.

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 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.

Sourcefire and Insecure.org have inked an agreement to develop open source vulnerability scanning tools based on Insecure's Nmap scripting engine. By Robert Westervelt, TechTarget Published: 24 ...

UK government security center, i100 publish NMAP scripts for vulnerability scanning The SME project aims to streamline the detection and remediation of specific bugs.

The United Kingdom's National Cyber Security Centre (NCSC), the government agency that leads UK's cyber security mission, is releasing NMAP Scripting Engine scripts to help defenders scan for and ...