This is a simple port scan developed as an alternative to other scanners.
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set the permissions chmod 777 vk9-bash-portscan.sh
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Run the script we would require the following data PORTS = any \ 80 \ 80,443 IP = 192.168.0.1 (single) \ 192.168.0.1/24 (subnet PROTO = any \ tcp \ udp
example ./vk9-bash-portscan.sh any 192.168.0.12 any ./vk9-bash-portscan.sh 80 172.16.0.0/16 tcp ./vk9-bash-portscan.sh 53,445 8.8.8.8 udp