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nmap (Description (provides a number of features for probing computer…
nmap
Description
used to discover hosts and services on a computer network
Nmap sends specially crafted packets to the target host(s) and then analyzes the responses
free and open-source security scanner
provides a number of features for probing computer networks
host discovery
service and operating-system detection
Network Mapper
Nmap can adapt to network conditions including latency
Nmap user community continues to develop and refine the tool
Uses
Auditing the security of a device
Network inventory
Identifying open ports on a target host in preparation for auditing
Auditing the security of a network
Finding and exploiting vulnerabilities in a network
Generating traffic to hosts on a network
DNS queries and subdomain search
Features
Host discovery
Port scanning
Version detection
OS detection
Scriptable interaction with the target
History
With help and contributions of the computer security community
operating system fingerprinting
service fingerprinting
code rewrites
additional scan types
protocol support
new programs that complement Nmap's core features
first published in September 1997