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3isenHeiM/Nmap_top_port_list.sh

Created December 9, 2020 13:29
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Build Nmap top port list
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Nmap_top_port_list.sh
#/bin/bash
# This snippet will output a comma-separated list of the top XXX most used ports (according to Nmap),
# given XXX a number (eg 20, 1000) passed as argument.
# Usage (to output the top 10 most common ports) :
# root@localhost # ./Nmap_top_port_list.sh 10
# 21-23,25,80,110,139,443,445,3389
top=$1
nmap --top-ports $top localhost -v -oG - | grep TCP | cut -d ";" -f 2 | cut -d ")" -f 1
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