带开放端口nmap的grep IP地址 [英] grep IP adress with open port nmap

问题描述

我正在尝试使此脚本通过nmap的开放端口来grep IP地址，但是我做不到正确的方法.

I'm trying to make this script to grep IP adresses with open port from nmap but I can't do it the right way.

我有这样的东西:

nmap 192.168.0.0/24 -sU -p 44555 | grep -oP "([0-9]{1,3}\.){3}[0-9]{1,3}"  >output.txt

但是，这需要所有IP的开放和关闭.

But this is taking all IP's open and closed.

示例输出nmap:

Nmap scan report for 79-119-0-248.rdsnet.ro (79.119.0.248)
Host is up (0.033s latency).
PORT      STATE         SERVICE
27023/udp open|filtered unknown

Nmap scan report for 79-119-0-249.rdsnet.ro (79.119.0.249)
Host is up (0.032s latency).
PORT      STATE  SERVICE
27023/udp closed unknown

我想要的只是打开/过滤的 谢谢

Only the ones are open/filtered I want Thanks

推荐答案

它与 egrep 一起使用:

nmap 192.168.0.0/24 -sU -p 44555 | grep -B3 open | egrep -o "([0-9]{1,3}\.){3}[0-9]{1,3}"  > output.txt

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