Network enumeration

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Network enumeration is a computing activity in which

runs on them. 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 next stage of enumeration is to fingerprint the operating system of the remote host.

Software

A network enumerator or network scanner is a

who may use this info to exploit that network glitch to gain entry to the network or for other malicious activities. Ethical hackers often also use the information to remove the glitches and strengthen their network.

Malicious (or "

") hackers can, on entry of the network, get to security-sensitive information or corrupt the network making it useless. If this network belonged to a company which used this network on a regular basis, the company would lose the function to send information internally to other departments.

Network enumerators are often used by

List of network enumerators

• Metasploit Project
• Nmap
• Nessus
• OpenVAS
• SAINT (software)
• Security Administrator Tool for Analyzing Networks
• ZMap (software)

See also

• Service scan

References

• Identifying Web Applications by Fabian Mihailowitsch