на 192.168.0.4 (PPPoE)#!/bin/sh
#
#
# Config sample by dik
IPFW="./ipfw"
$IPFW -f flush
"$IPFW" add pass all from any to any via lo0
"$IPFW" add pass all from any to any via eth0
"$IPFW" add deny icmp from any to any frag
"$IPFW" add deny icmp from any to any in via ppp0 icmptype 8
"$IPFW" add allow icmp from any to any via ppp0
"$IPFW" add pass all from any to me in
"$IPFW" add pass all from me to any out
"$IPFW" add deny all from any to any
keep-state убрал, это домашняя конфигурация, траффик экономлю.. :-)