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This article mainly analyzes the Linux system port scanning tool namp installation steps of the relevant knowledge points, the content is detailed and easy to understand, the operation details are reasonable, has a certain reference value. If you are interested, you might as well follow the editor to have a look, and follow the editor to learn more about the installation steps of the Linux system port scanning tool namp.

1. Installation package: (1) it can be downloaded from the official website, address: https://nmap.org

2. Installation step (1) decompress: tar-xvf nmap-7.12.tar.bz2

(2) cd / nmap-7.12

(3) execute:. / configure

(4) make

(5) make install

(6) check whether the installation is successful: nmap-v

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After configure, as shown in the following figure:

After completing the installation, execute "namp-v" to verify whether the installation is successful. The successful screenshot is as follows:

3. Briefly describe the basic usage of nmap software: (1) scan a specific host: # nmap 192.168.1.2

(2) scan the entire subnet: # nmap 192.168.1.1

(3) scan multiple targets: # nmap 192.168.1.2 192.168.1.5

(4) scan a range of hosts: # nmap 192.168.1.1-100 (scan all hosts with IP addresses of 192.168.1.1-192.168.1.100)

(5) send two ping packets to the destination: # nmap-sn-PE-c 2-send-ip 192.168.1.1

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