Easy copy paste for my vm test?
curl -fsSL https://archive.kali.org/archive-key.asc | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/kali-archive.gpg > /dev/null
alert tcp $HOME_NET 21 -> $EXTERNAL_NET any ( msg:"FTP login failure"; content:"530 "; nocase; flow:from_server,established; classtype:unsuccessful-user; sid:1000001; rev:1; )
var HOME_NET any var EXTERNAL_NET any include /etc/snort/rules/local.rules
#launch snort
sudo snort -A console -q -c /etc/snort/snort.conf -i eth0
HOME_NET = 'any' EXTERNAL_NET = 'any' ips = { rules = { include = 'local.rules' } }
snort -c /etc/snort/snort.lua -i eth0