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insall install nmap

centos yum install nmap

RPM install

rpm -vhU https://nmap.org/dist/nmap-7.92-1.x86_64.rpm
https://nmap.org/download#linux-rpm

Ubuntu

apt update

apt install nmap

usage

Code Block

title	nmap

vagrant@contrib-jessie:~$ nmap localhost

Starting Nmap 6.47 ( http://nmap.org ) at 2017-05-24 15:44 GMT
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00018s latency).
Other addresses for localhost (not scanned): 127.0.0.1
Not shown: 996 closed ports
PORT STATE SERVICE
22/tcp open ssh
25/tcp open smtp
111/tcp open rpcbind
8080/tcp open http-proxy

Nmap done: 1 IP address (1 host up) scanned in 0.05 seconds

list of port nmap -p 22,80,443,1280,830,930 -T4 192.168.0.204

UDP port

-p U:53,111,137,T:21-25,80,139,8080

port range

1-1024

22-45006

[root@node1 ~]# nmap 172.20.8.17 -p 22-45006
Starting Nmap 7.92 ( https://nmap.org ) at 2022-07-09 18:15 UTC
Nmap scan report for 172.20.8.17
Host is up (0.000012s latency).
Not shown: 44979 closed tcp ports (reset)
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
443/tcp open https
930/tcp open unknown
4505/tcp open unknown
4506/tcp open unknown

GUI zenmap https://nmap.org/zenmap/

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Versions Compared

Old Version 5

New Version 6

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