Superfast portscanner time seq 65535 | parallel -k --joblog portscan -j9 --pipe --cat -j200% -n9000 --tagstring '\033[30;3{=$_=++$::color%8=}m' 'nc -vz localhost $(head -n1 {})-$(tail -n1 {})' https://www.commandlinefu.com/commands/view/25535/superfast-portscanner #Offsec #Recon https://twitter.com/noexceptcpp/status/1437908992290865155