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HP Network Node Manager i (NNMi) 10.00 and the HP NNMi Smart Plug-in modules use continuous spiral discovery, [11] a network discovery technology that provides up-to-date network topology and root cause analysis. This allows network administrators to ascertain the level of congestion in their networks and identify the root cause of the congestion.
These features are extensible by scripts that provide more advanced service detection, [7] vulnerability detection, [7] and other features. Nmap can adapt to network conditions including latency and congestion during a scan. Nmap started as a Linux utility [8] and was ported to other systems including Windows, macOS, and BSD. [9]
hping is an open-source packet generator and analyzer for the TCP/IP protocol created by Salvatore Sanfilippo (also known as Antirez). It is one of the common tools used for security auditing and testing of firewalls and networks, and was used to exploit the idle scan scanning technique (also invented by the hping author), and now implemented in the Nmap Security Scanner.
Nmap – comprehensive active stack fingerprinting. p0f – comprehensive passive TCP/IP stack fingerprinting. NetSleuth – free passive fingerprinting and analysis tool; PacketFence [9] – open source NAC with passive DHCP fingerprinting. Satori – passive CDP, DHCP, ICMP, HPSP, HTTP, TCP/IP and other stack fingerprinting.
A service scan of that device will be able to determine that the port is open and that it is a web service. Service scanners can be set to target a single device, but they are more often set to target a large number of devices. For example, a service scanner may be configured to scan a subnet.
Network enumeration is the discovery of hosts or devices on a network. Network enumeration tends to use overt discovery protocols such as ICMP and SNMP to gather information. It may also scan various ports on remote hosts for looking for well known services in an attempt to further identify the function of a remote host.
The DDMa component (Discovery and Dependency mapping Advanced) of UCMDB works by scanning ranges of IP addresses within pre-set probe IP ranges, using ping, ICMP echo requests and Nmap to locate live IP addresses and open TCP ports, and IP address harvesting techniques by querying ARP/Cache tables of level 3 network devices.
ZMap is a free and open-source security scanner that was developed as a faster alternative to Nmap. ZMap was designed for information security research and can be used for both white hat and black hat purposes. The tool is able to discover vulnerabilities and their impact, and detect affected IoT devices.