Proteção de URL com recent

Bloqueia todas conexões de  IPs que estiverem na lista ips_bloqueados por 1 dia

iptables -A INPUT -m recent --rcheck --name ips_bloqueados --seconds 86400 -j DROP

Coloca na lista ips_bloqueados ips externos que tentarem acessar /administrator na URL

iptables -A INPUT  -s ! 192.168.0.0/24 -p tcp --dport 80 -m string --algo bm --string '/administrator' -m recent --set --name ips_bloqueados --rsource -j LOG --log-prefix "ips_bloqueados: administrator"
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