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On Wednesday 10 September 2003 10:20, Alfredo Rezinovsky wrote:
> >  Un ejemplo de como cerrar los puertos a internet:
> >
> >   iptables -P INPUT DROP
> >   iptables -A INPUT -m state --state ESTABLISHED, RELATED -j ACCEPT
> >   iptables -A INPUT -m state --state NEW -i ! interfaz_de_internet -j
>
> ACCEPT
>
> Un consejo.
>
> La policies siempre deberian ir en ACCEPT y como ultima regla un DROP o
> REJECT.
>
> iptables -P INPUT ACCEPT
> iptables -A INPUT -m state --state ESTABLISHED, RELATED -j ACCEPT
> iptables -A INPUT -m state --state NEW -i ! interfaz_de_internet -j ACCEPT
> iptables -A INPUT -j DROP

Pongamos RANDOM rejects rules :-D :-D usen la guia de rusty para el filtrado 
simple...

# iptables -N block
# iptables -A block -m state --state ESTABLISHED,RELATED -j ACCEPT
# iptables -A block -m state --state NEW -i ! ppp0 -j ACCEPT
# iptables -A block -j DROP

# iptables -A INPUT -j block
# iptables -A FORWARD -j block

dale que va!! DROP DEFAULT!! DROP DEFAULT!! STATE FULL!! Y si haces flush con 
un drop como politica por default JODETE! :-D

- -Jx


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