Ol� amigos
Estou querendo fazer umas regras de ipfw para que primeiramente tudo esteja fechado de 
pois abro as portas conforme necess�rio, dessa forma, mas n�o estou tento resultados

/sbin/ipfw -fq  flush

#Nega tudo de tudo para tudo
#/sbin/ipfw add deny all from any to any

# desactiva a ping remoto do exterior para o interior e activa o
# ping remoto para o exterior(icmp tipo 8)
/sbin/ipfw add allow icmp from me to any icmptypes 8
/sbin/ipfw add deny icmp from any to any in icmptypes 8

#Banda Porta 80
#download
/sbin/ipfw add pipe 2 tcp from any to any 80 in via lnc0
/sbin/ipfw pipe 2 config bw 10Kbytes/s

#upload banda porta 80
/sbin/ipfw add pipe 1 tcp from any 80 to any out via lnc0
/sbin/ipfw pipe 1 config bw 7Kbytes/s

#upload banda porta 21(ftp)
/sbin/ipfw add pipe 3 tcp from any 21 to any out via lnc0
/sbin/ipfw pipe 3 config bw 2Kbytes/s

#download banda porta 21
/sbin/ipfw add pipe 4 tcp from any to any 80 in via lnc0
/sbin/ipfw pipe 4 config bw 5Kbytes/s

#Regras de Acesso
#/sbin/ipfw add pass tcp from any to any 5432
/sbin/ipfw add pass tcp from any 5432 to any established

Alguma dica?
Obrigado,
M�rcio
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