NMAP is an open-source free network discovery and security auditing tool. The software name NMAP is short for network mapper. NMAP was initially created by Fyodor in 1997. Later, with the participation of many volunteers in the open-source community, this tool gradually became one of the most popular security tools. The latest version of nmap6.0 was released on July 6, May 21, 2012. For details, see www.nmap.org.
Generally, NMAP is used to list network hosts, manage service upgrade scheduling, and monitor the running status of hosts or services. NMAP can detect whether the target machine is online, the port is open, the service type and version information of the detecting operation, and the operating system and device type information.
Advantages of NMAP:
Flexible. Supports dozens of different scanning methods and scanning of multiple target objects.
Powerful. NMAP can be used to scan large-scale computers on the Internet.
Portable. Supports mainstream operating systems: Windows, Linux, UNIX, and MACOs. The source code is open for convenient transplantation.
Simple. By default, most functions can be overwritten. The basic port scans NMAP targetip to fully scan NMAP-A targetip.
Free. As an open-source software, NMAP can be freely used within the scope of GPL license.
Rich documentation. The NMAP official website provides detailed documentation descriptions. NMAP authors and other security experts have compiled multiple NMAP reference books.
Community support. There is a strong community team behind NMAP.
It is highly praised. He received many awards and appeared in many film and television works (such as hacker Empire 2 and die hard4 ).
Popular. Currently, NMAP has been listed as one of the necessary tools by thousands of security experts.
Installation Method
Sudo apt-Get install zenmap
Sudo apt-Get installl NMAP
Run
Sudo zenmap
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Network scan zenmap